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78results about How to "Comprehensive coverage" patented technology

System used for intelligently analyzing individualized tumor gene detection

The invention relates to a system used for intelligently analyzing the individualized tumor gene detection. The system comprises a test platform, a knowledge base platform, a cloud computing platform and a terminal entry platform. After a collected biological sample is subjected to computer sequencing through the test platform, the sequencing data is transmitted to the cloud computing platform, and meanwhile, after a user inputs sample information and analysis requirements on the terminal entry platform, the information is transmitted to the cloud computing platform; the knowledge base platform is used for collecting analysis knowledge data; the sample sequencing data is subjected to biological information analysis through the cloud computing platform, and after calling the data analysis in the knowledge base platform, the cloud computing platform transmits the generated analysis report to the terminal entry platform; report downloading and feedback are conducted through the terminal entry platform. By means of the system, more accurate treatment information can be better provided for patients according to the individualized tumor analysis of large-scale sequencing results, and the treatment cost is saved.
Owner:SHENZHEN HUADA GENE INST

Friend recommendation method and device

The invention applies to the field of internet, and provides friend recommendation method and device. The method comprises the steps of acquiring data information of a user; determining candidate recommended friends of the user and the feature vectors of the candidate recommended friends according to the data information of the user, wherein the feature vectors include quantifying information of personal property of the user, and the quantifying information of social networking services topological structure; calculating the scores corresponding to the feature vectors according to the pre-trained model so as to obtain the score sequence of the friends of the user; recommending friends to the user according to the calculated score sequence of the friends of the user. According to the method and device, the personal property information of the user and the topological network structure information are combined, and thus comprehensive recommended parameter data are provided; in addition, the candidate recommended friends can be determined according to the personal data information of the user, so that the coverage rate of recommended friends is increased, and the accuracy of user friend recommendation can be obviously increased.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Visual test method and system for simulating rough single-cross fracture multiphase seepage

The invention provides a visual test method and system for simulating rough single-cross fracture multiphase seepage, wherein the test method comprises the following steps: S10, collecting a rock masssample on site, carrying out the statistics of the roughness of a fracture surface, and determining fractal characteristic parameters; S20, outputting a three-dimensional rough fracture model grid file; S30, preparing transparent or opaque three-dimensional rough fracture model samples with different roughness; S40, assembling a test device according to a single-fracture or cross-fracture test object; S50, simulating a fluid displacement process under the action of pressure difference, and carrying out a rough fracture medium multiphase displacement test; S60, collecting test data; and S70, arranging and analyzing the multiphase seepage characteristics of the rough fractured medium. The displacement mechanism of multiphase fluid in the fractures with different roughness and opening degrees can be systematically studied, and certain guiding significance is achieved for study of the water seal mechanism of a rough fractured rock mass of an underground water seal oil depot.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Relational network construction method, device and electronic equipment

The invention provides a relational network construction method, a device and electronic equipment. The method includes the steps of acquiring locked suspects in a target case; acquiring target data related to the locked suspects, wherein the target data include communication text data and also include person relationship data and / or consumption record data; carrying out data analysis of the target data and determining target persons; determining person association information corresponding to a specified dimension among the locked suspects and the target persons according to the target data;and establishing the relational network of the target case according to the locked suspects and the target persons as well as the person association information. Data sources in the relational networkconstruction method, the device and the electronic equipment are extensive and are not limited to the communication text data, and also relate to the person relationship data and / or the consumption record data. Based on these data, the relational network is constructed, a single data source problem is solved, and the reliability and practicality of the relationship network are improved.
Owner:杭州中奥科技有限公司

State assessment method of direct current source system

The invention discloses a state assessment method of a direct current source system. The state assessment method of a direct current source system includes the steps: acquiring the deterioration degree of the state quantity corresponding to each component of the direct current source system, performing normative processing to obtain the corresponding deduction value, calculating the comprehensivededuction value of each component through weighted summation, and obtaining the corresponding component assessment state; and detecting the component assessment state of each component, and if the component assessment states of all the components are normal states, determining that the comprehensive assessment state is normal state, or, determining that the comprehensive assessment state is the most deteriorated state among all the components. The state assessment method of a direct current source system has the advantages of providing determination basis with rich content, being comprehensivein the equipment coverage range, reasonably setting the state quantity assessment weight, truly and objectively reflecting the operating state of the covered equipment, being able to thoroughly findthe hidden trouble of equipment through direct current source system state assessment and predetermine the development trend of the defect of equipment so as to take preventative measures, strengthening direct current professional management work, promoting implementation of each measure through the assessment result, and carrying out operation and maintenance work.
Owner:STATE GRID HUNAN ELECTRIC POWER +3

Test case generation method and system for mobile terminal test

The invention provides a test case generation method and system for a mobile terminal test. User operation information relevant to a generated error is recorded at least when the error occurs when a mobile terminal operates an application program; the recorded error and the corresponding user operation information are sent through a network; the error and corresponding user operation information are received through the network, and a test case corresponding to the application program is generated according to the error and the corresponding user operation information; a software operation problem generated in the actual use of the mobile terminal of a user can be collected through a cloud, a test case can be correspondingly generated, and the test case generated by utilizing actual case data is more close to the user and wider in covering range.
Owner:湖州丰源农业装备制造有限公司

Classification method of noisy label images based on depth learning

The invention discloses a classification method of image containing noise label based on depth learning, which relates to the technical field of image classification. The method of the invention comprises the following steps: step 1, performing data extraction on semantic metadata set and image data set to obtain a baseline dataset; step 2, training the baseline model based on the baseline data set, and extracting the characteristic information of the baseline data set through the trained baseline model; step 3, clustering the characteristic information through hierarchical clustering to obtain a new data clas; step 4, re-dividing the baseline data set based on the new data category to obtain the classification data set data; step 5, training a final classification model by using a short_inclusion network base on that data data set; sStep 6, classifying the noisy label images according to the final classification model. The invention solves the problem that the existing classificationmethod of the image containing the noise label cannot be applied to the large data set.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Three-dimensional reconstruction device and method of dual-rotation laser

The invention discloses a three-dimensional reconstruction device and method of dual-rotation laser. The three-dimensional reconstruction device comprises two gear speed reducers, two stepping motors used for driving the gear speed reducers to rotate, left and right line structure light projectors and a camera; the left and right line structure light projectors are installed on gears of the two gear speed reducers, and when the stepping motors drive the gear speed reducers to rotate, the left and / or right line structure light projector follows the gear speed reducer to perform 360-degree rotation, so as to scan a detected object; and left and right line structure light scans the target object to obtain point cloud data of the target object, the left and right line structure light is irradiated on a calibration plate, light plane equations of the left and right line structure light of a camera coordinate system is obtained, through calculation of a laser rotation angle, hot spots projected on the object when the target object is scanned is converted into three-dimensional camera coordinates, and the three-dimensional camera coordinates obtained by left and right laser scanning are unified to the same coordinate system to obtain final point cloud data.
Owner:SOUTH CHINA UNIV OF TECH

Railway vehicle axle phased array ultrasonic flaw detection platform

The invention discloses a railway vehicle axle phased array ultrasonic flaw detection platform. The railway vehicle axle phased array ultrasonic flaw detection platform comprises a lathe bed, an axle clamping device, s spindle drive transmission mechanism, a detection mechanism, a coupling agent spraying device, a control mechanism and a phased array flaw detector, wherein the detection mechanism can enable a phased array probe to move along the axial direction and the radial direction of a to-be-detected axle under the driving of an axial detection component and a radial detection component according to the control of a controller, so as to realize ultrasonic flaw detection on axle segments with different lengths and diameters. The flaw detection platform provided by the invention can perform comprehensive and automatic flaw detection on solid axles and hollow axles of various specifications of current railway vehicles, the flaw detection speed is fast, the automation degree is high, the coverage range is comprehensive, and a higher detection degree is realized.
Owner:JILIN UNIV

System and method for resisting physical attacks of printer

The invention provides a system and method for resisting physical attacks of a printer. By encrypting and verifying plaintext data of a printer storage and an interface and monitoring behaviors of theprinter in real time to achieve early warning on the potential attack behaviors, the purpose of improving the security of the printer is achieved; a main control module achieves a security protectionfunction on the printer storage through a storage security module, achieves a security protection function on the interface through an interface security module and conducts monitoring and early warning on the physical attacks through a behavior security module; and a security trusted module is used for managing encryption keys, decryption keys and verification values which are used in the storage security module and the interface security module and conducting encryption, decryption and integrity verification on used data. According to the system and method, the physical attacks such as tapping, counterfeiting and resetting for the interface and the storage of the printer system are effectively resisted, the security of the printer is improved, the encryption efficiency of the printer storage is high, and the system and method can be applied to the printer system requiring high confidentiality.
Owner:XIDIAN UNIV

Simulation test system and method based on network data analysis

The invention provides a simulation test system and method based on network data analysis, and the system comprises a module M1 which collects a network message in a production environment through a network packet capturing technology, analyzes the network message, generates structured transaction data, and stores the structured transaction data; a module M2 which is used for preprocessing the structured transaction data to obtain preprocessed transaction data; and a module M3 which is used for selecting a data set from the preprocessed transaction data according to test requirements, replaying the data set to the tested software system according to a preset proportion and a preset rate for testing, monitoring the state of the tested system and generating a test report. According to the invention, the test database is established by using full production data, the simulation degree is high, the test scene coverage is comprehensive, and the business calling proportion is consistent withthe actual scene.
Owner:SHANGHAI NETIS TECH

LC-MS (liquid chromatography-mass spectrometry) method used for screening antioxidant in elastomer seal of drug packaging

The invention belongs to the technical field of analytical chemistry and discloses an LC-MS (liquid chromatography-mass spectrometry) method used for screening an antioxidant in an elastomer seal of adrug packaging. The method comprises the following steps: breaking a to-be-detected elastomer into particles with the size of 5mm*5mm, weighing 0.5g of a broken rubber plug, loading the broken rubberplug into a microwave digestion tube, adding 10ml of dichloromethane into the microwave digestion tube for swelling overnight, performing microwave digestion at the temperature of 40 DEG C for 45minand cooling to room temperature; filtering with a glass hopper, removing the elastomer particles, performing vacuum rotary evaporation on filtrate, removing a dichloromethane solvent, dissolving residues with 8ml of methanol through ultrasonic oscillation after evaporation, transferring dissolved solution into a 10ml of measuring flask and enabling the volume of the dissolved solution to be constant with methanol; taking the solution after the volume of the dissolved solution is constant, filtering the solution with a 0.45mum of nylon filtering membrane and detecting filtrate with an LC method. The LC-MS method has the advantages of being high in accuracy, good in sensitivity, short in detection time and strong in qualitative and quantitative accuracy; the LC-MS method is strong in tolerance to a matrix, the coverage of the antioxidant is comprehensive, and degradation products of the antioxidant are monitored meanwhile.
Owner:四川省食品药品检验检测院

Production quality monitoring system

The invention relates to the field and especially relates to a production quality monitoring system. The system comprises a background management terminal, an operation terminal and a quality supervision terminal. The operation terminal is arranged correspondingly to a production line staff. The production line staff carries out verification through the operation terminal and then can send supervision request information. The quality supervision terminal is arranged correspondingly to a supervision staff. The supervision staff carries out verification through the quality supervision terminal and can receives supervision command information. The background management terminal simultaneously communicates with the operation terminal and the quality supervision terminal, analyzes the supervision request information and then generates the corresponding supervision command information. Product quality can be comprehensively supervised, and simultaneously, demands of all the products during a production process can get first time feedback. The system is applied to a workshop, interactivity is high and a covering range is wide.
Owner:ZHEJIANG CHINAJEY SOFTWARE TECH CO LTD

Integrated test method of primary and secondary pole top switch set

The invention relates to an integrated test method of a primary and secondary pole top switch set. A test system is included. The test method comprises the steps that electrical connection is established, communicating connection is established, precision testing is performed, integrated protection testing is performed, and a test report is generated. The test method has the advantages that signal input and collection for integrated testing of the primary and secondary pole top switch set are realized through the test system, and an input signal and a collected signal are analyzed, so that integrated testing of the primary and secondary pole top switch set is realized, and integrated precision testing and integrated protection testing of a power filtering and distribution pole top switch, a power distribution terminal, a mutual inductor and a primary and secondary connection cable on the primary and secondary pole top switch set is realized; coverage is comprehensive, and a blind area in quality control of the primary and secondary pole top switch set can be effectively eliminated; and the test system can detect voltage, current and electric energy precision as well as integrated protection of the primary and secondary pole top switch set, so that the automatic degree is high, manpower is saved, and detection efficiency is improved.
Owner:ZHEJIANG HUADIAN EQUIP TESTING INST +2

Corrosion prevention technology of combustion gas-steam combined cycle unit thermal system standby

The invention discloses a corrosion prevention technology of combustion gas-steam combined cycle unit thermal system standby. The corrosion prevention technology comprises a combustion gas-smoke system dry-air protection technology and an afterheat unit moisture system dry-air combined protection technology; the combustion gas-smoke system dry-air protection technology adopts a low-humidity dry-air aeration-drying scheme; the afterheat unit moisture system dry-air combined protection technology adopts a protection scheme combining chemical corrosion inhibition with dry-air drying; and the afterheat unit moisture system dry-air combined protection technology comprises the following four steps of afterheat drying, corrosion inhibitor protection, aeration drying and humidity maintenance. Thecorrosion prevention technology completely adapts to the characteristics of the structure, the operation mode, frequent standby and uncertain outage time of a combustion gas-steam combined cycle unitthermal system, total-system and total-period corrosion prevention of the thermal system in the outage state can be achieved, equipment corrosion during outage is controlled to the greatest extent, and the corrosion prevention technology has the remarkable advantages such as wide application scope, flexible operation, economy, environmental protection and the like.
Owner:HANGZHOU E ENERGY ELECTRIC POWER TECH +1

Intelligent household voice control system and method based on Bluetooth transmission

The invention discloses an intelligent household voice control system based on Bluetooth transmission and relates to the intelligent household technology field. The intelligent household voice controlsystem comprises a Bluetooth intelligent terminal module, a voice recognition module, a Bluetooth gateway, a data processing module, a data output module, and a data management module. The inventionalso discloses a control method adopting the intelligent household voice control system based on the Bluetooth transmission. A traditional intelligent household voice control system can not carry outomnibearing coverage and control on an indoor environment. In order to solve the above problem, through the cooperative usage of the Bluetooth intelligent terminal module and the voice recognition module, the voice information of a front end and indoor voice signals are collected so as to realize the omnibearing coverage of the indoor environment. Through the connection of the data output module,a received instruction is transmitted to intelligent household equipment so as to realize the control of the intelligent household equipment. A comprehensive coverage range is achieved and a wide application prospect is possessed.
Owner:曹景荣

Aging test method and system for high speed switch chip

The invention provides an aging test method and system for a high-speed switch chip, characterized by placing an IC under test in an aging board in a dynamic aging test; providing an excitation signalfor the aging board through a control board; performing high temperature and voltage pull tests on the IC under test; performing a digital pin pull-down operation on a digital part of the IC under test; performing a loopback test on an simulation part of the IC under test; and performing transmission and reception tests on a switch module of the IC under test. According to the aging test method and system for the high-speed switch chip, the aging test of the digital part, the simulation part, and the switch part of the high speed switch chip can be realized, and the aging screening test itemsfor early failure products are covered more comprehensively, thereby facilitating to discover more potential problems during the aging test. In addition, the aging resistance of each functional module can be found in time by monitoring and displaying the results of various functional test items of high-temperature dynamic aging in real time, and the test results are analyzed by storing aging information in real time.
Owner:TIANJIN CHIP SEA INNOVATION TECH CO LTD +1

Relay protection method and system based on flexible traction network

The invention provides a relay protection method and a relay protection system based on a flexible traction network, which are used for solving the problems of imperfect, unreliable and insensitive relay protection of the flexible traction network. The relay protection method comprises the following steps: configuring protection devices for substations and subareas, establishing a local area network, acquiring bus voltage of the substations and adjacent substations and current and position states of all switches by the substation protection devices, judging an operation mode, selecting incoming line switch current as a reference current direction when the bus voltage is less than a preset threshold value, calculating the current directions of other switches through current relative phase comparison, and comparing the current directions with the current directions in the truth table; when the result is consistent with the truth table, determining a fault position and tripping a corresponding switch. Fault points can be quickly and accurately removed, the power failure time is shortened, the power failure range is narrowed, and the safety and reliability of a traction network are improved; meanwhile, all operation modes can be self-adapted, manual constant value adjustment is not needed, human errors during constant value adjustment can be avoided, and potential safety hazards are reduced.
Owner:CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RES INST

Individualized-medication gene detection system kit for cardiovascular diseases and application of individualized-medication gene detection system kit for cardiovascular diseases

The invention relates to an individualized-medication gene detection system kit for cardiovascular diseases and application of the individualized-medication gene detection system kit for the cardiovascular diseases. The kit comprises a PCR reaction system and an LDR reaction system. By combination of the multiple PCR technique and the multiple LDR technique, dual guarantee can be realized on the basis of hybridization reaction and ligation reaction, DNA purification in a detection process is avoided, and probability of contamination is reduced, so that high accuracy of results is realized. Inaddition, accuracy of PCR-LDR detection is comparable with Sanger sequencing, but PCR-LDR detection is higher in diversity and lower in cost.
Owner:DONGHUA UNIV +1

High-safety low-voltage direct current system

The invention discloses a high-safety low-voltage direct-current system which comprises a direct-current bus, and a bus protection device and an insulation resistance monitoring device are arranged onthe direct-current bus. The direct-current bus is connected with the power supply unit and the power utilization unit. In the power supply unit, distributed photovoltaic power generation equipment isconnected with the direct-current bus through a photovoltaic incoming line protection device, energy storage equipment is connected with the direct-current bus through an energy storage incoming lineprotection device, and mains supply is connected with the direct-current bus through an AC / DC rectifier protection device. In the power utilization unit, power utilization equipment is connected witha direct current bus through a load short circuit protection device, each load branch is further provided with a leakage current sensor, and the leakage current sensors are connected with an insulation resistance monitoring device through signal cables. The low-voltage direct-current system comprises power supply protection, bus protection and branch protection, and comprehensive protection of the direct-current system can be achieved.
Owner:NANJING ELECTRIC POWER ENG DESIGN +2

Method and system for deploying unmanned aerial vehicle to enhance base station communication based on physical gravity model

The invention is applicable to the technical field of wireless communication, and provides a method for deploying an unmanned aerial vehicle to enhance base station communication based on a physical gravity model. The method comprises the following steps: S1, dividing a hotspot area by using a KDivide method in a horizontal and vertical alternate cutting manner, so that the user number in each divided small square meets the capacity of a single unmanned aerial vehicle; S2, judging whether the unmanned aerial vehicle needs to be allocated to the divided small square by calculating an ObjectiveFunction, if yes, allocating the unmanned aerial vehicle, and executing the next step, or otherwise, not allocating the unmanned aerial vehicle; S3, positioning the location of the unmanned aerial vehicle for an uncovered user according to EMech; and S4, merging each two of the divided small squares by using a RMerge reversal step until the divided small squares are merged into a square of an initial hotspot area. By adoption of the method, the data efficiency that can be provided by a base station is effectively improved.
Owner:SHENZHEN UNIV

Rule-based adaptive text information extraction method and software memory

The invention discloses a rule-based adaptive text information extraction method and a software memory, and the method comprises the following steps: constructing a text information extraction rule for a text object in the professional field, and summarizing the rule in a template; wherein the template rule is graded according to a tree sequence to form a text template, and each template is of a four-layer structure and comprises segments, lines, sentences and words; conducting statistical analysis on the text objects to be extracted, presetting representative keywords wherein the keywords arecomposed of related words and irrelevant words; carrying out information extraction on the to-be-extracted text by using the constructed template, and carrying out text matching through keywords according to a template four-layer structure sequence; for each hierarchy in the template, when a plurality of matching results appear, performing filtering by using keywords, and accurately positioningtarget information; and outputting a text extraction result containing the keyword. The method can automatically adapt to changes of text contents and structures, and target text information can be efficiently and accurately extracted.
Owner:WUHAN INSTITUTE OF TECHNOLOGY +1

Method for constructing stroke medical knowledge graph

The invention discloses a method for constructing a cerebral apoplexy medical knowledge graph. The method comprises the following steps: S1, constructing a cerebral apoplexy disease dictionary; s2, constructing a cerebral apoplexy ontology library and a mode layer of the cerebral apoplexy ontology library, and generating a rule of the mode layer; s3, acquiring stroke diseases and related medical knowledge from the information base, performing entity alignment and similarity calculation, and adding the stroke diseases and the related medical knowledge into a stroke ontology base based on a ruleof an ontology base mode layer; s4, continuously repeating the step S3 to update and perfect the stroke ontology library, and then obtaining a stroke medical knowledge graph; and S5, calculating theconfidence of the medical knowledge in the stroke medical knowledge graph, and discarding the medical knowledge with low confidence so as to ensure the quality of the obtained medical knowledge graph.The stroke medical knowledge graph which is comprehensive in coverage, complete in structure and accurate in knowledge description is constructed, and a foundation is laid for a follow-up stroke intelligent question-answering system and an auxiliary decision-making system.
Owner:HUNAN NORMAL UNIVERSITY

Government and enterprise network support degree calculation method and device, equipment and storage medium

The invention discloses a government and enterprise network support degree calculation method, which is applied to the technical field of network cognitive domains and is used for solving the problemsof incomplete coverage and poor real-time performance and accuracy of a measurement result of an existing overseas government and enterprise network support degree measurement method. The method comprises the steps of obtaining network information corresponding to a target government enterprise from a network, extracting target information and comment statistical data corresponding to the networkinformation from the network information, analyzing emotional tendency of the target information according to a preset emotional analysis model, and performing emotional marking on the target information according to the emotional tendency, obtaining target information with emotion classification labels, calculating news support degree, social media support degree and network influence degree ofthe target according to the target information with the emotion classification labels and the comment statistical data, and finally obtaining the network support degree of the target government enterprise according to the news support degree, the social media support degree and the network influence degree.
Owner:深圳市网联安瑞网络科技有限公司

System score coverage adjusting and optimizing method

The method comprises the following steps: crawling a standard text related to industrial standard online information safety through a crawler frame webmagic as original data, performing structured extraction on an industrial standard file needing to be updated through a preset text matching rule to obtain structured standard data, establishing a weight table of fields and risks, obtaining an updated industrial standard text, and updating the industrial standard file according to the structured standard data. By evaluating the difference between new and old standard texts and the difference between new and old scoring standard texts, mining a mapping relationship between the differences, and recognizing and updating industry standard contents through a difference evaluation system, dynamic updating of a sorting list needing to be audited and calibrated is realized, the scoring standard coverage of the system can be more comprehensive, and the evaluation efficiency of the system is improved. Negative effects caused by incomplete system evaluation are reduced; according to the method, national standards in related aspects can be matched in a targeted manner, so that the scoring standard which is artificially established can be combined with the latest national standards, and the scoring standard covers more national standards, so that the scoring standard is more normative and more feasible.
Owner:广东南方信息安全研究院

Device for determining punching shape of coal seam and using method thereof

The invention discloses a device for determining the punching shape of a coal seam and a using method thereof. The device comprises a telescopic rod, wherein a hollow rail rod is connected to the telescopic rod, and a ranging box is nested on the rail rod; the ranging box is internally provided with a first gear slidably connected with the rail rod, a fixed rod is arranged on the first gear, one end of the fixed rod penetrates into the rail rod, and a first micro motor is fixed to the end, penetrating into the rail rod, of the fixed rod; an output shaft of the first micro motor is provided with a second gear, and the rail rod is internally provided with a strip-shaped tooth plate meshing with the second gear; a second micro motor is fixed into the ranging box, and an output shaft of the second micro motor is provided with a third gear meshing with the first gear; a limiting rod is fixed to the first gear, and the two ends of the limiting rod abut against the inner walls of the two sides of the ranging box; and a laser rangefinder is arranged in the ranging box. According to the device for determining the punching shape of the coal seam and the using method thereof, the measurementof the diameter and depth of a cavity-forming hole can be realized effectively and accurately, the form of the hole is restored, and meanwhile, the device is easy to operate, accurate and reliable andhigh in adaptability.
Owner:CHINA UNIV OF MINING & TECH

Three-brush combined rotating type toothbrush head

The invention relates to the technical field of oral health and sanitation, and discloses a three-brush combined rotating type toothbrush head, which comprises brush heads, a protective cover and a transmission device. The brush head is cylindrical, bristles are arranged on the cylindrical surface of the brush head, and rotating shafts are arranged at the two ends of the brush head. Wherein the three brush heads are respectively a top brush, a left side brush and a right side brush, the axes of the brush heads are parallel to one another, and the three brush heads are arranged in a delta shape; the protective cover is a U-shaped curved surface; three pairs of shaft sleeves are arranged at two ends of the protective cover and correspond to the rotating shafts of the three brush heads respectively; a left brush and a right brush are arranged at the opening of the protective cover; a top brush is arranged at the bottom of the protective cover; a connector is arranged at the end of the rotating shaft at the bottom of the top brush, and a transmission device is arranged among the three brush heads. The toothbrush head has the advantages that the arrangement mode of the bristles meets the ergonomic requirements of the teeth, the gingiva is not damaged, the joint part of the gingiva and the teeth is uniformly stressed, bruising grooves are not formed, three surfaces of the teeth are simultaneously cleaned, the force of each bristle contacting the teeth is stable, the contact is comfortable, and the cleaning efficiency is high.
Owner:张林

An identity verification method and device

The embodiment of the invention provides an identity verification method and device. The method comprises the following steps: acquiring registration information of a to-be-tested user and behavior data of the to-be-tested user; determining a group to which the to-be-tested user belongs according to the registration information; determining the matching degree of the user to be tested and the group according to the behavior data of the user to be tested; and judging whether the to-be-tested user is consistent with the registration information according to the matching degree. The embodiment ofthe invention provides an identity verification method. The method comprises the steps of obtaining registration information of a to-be-tested user and behavior data of the to-be-tested user; a groupto which a user to be tested belongs is determined according to the registration information, the matching degree of the user to be tested and the group is determined according to the behavior data of the user to be tested, identity verification is carried out according to the matching degree, manual intervention is less, flexibility is high, labor cost is low, the coverage area is comprehensive,the extension application field is wide, and the method can be applied to multiple industries such as credit investigation, finance, e-commerce and logistics.
Owner:CHINA MOBILE GROUP ZHEJIANG +1

Sound test method and device and storage medium

The invention relates to a sound test method and device and a storage medium, and belongs to the technical field of terminals. The method comprises the steps: after target equipment is started, acquiring first sound data collected by a first sensor, wherein the first sensor is located in the ear canal of a user; acquiring second sound data acquired by a second sensor, wherein the second sensor islocated in a designated area of the head of the user, and the designated area is an area a preset distance away from the ear canal of the user; and performing test processing on the first sound data and the second sound data to obtain test data of sound emitted by the target device. According to the invention, the two sensors are used for collecting the sound emitted by the target equipment; the sound data acquired by the two sensors are tested, so the air conduction sound part and the bone conduction sound part are tested, the coverage range is comprehensive, the test result objectively obtained through the sound test is consistent with the subjective actual listening feeling of a user, and the test effect is better.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Method and device for evaluating resume text and server

The invention provides a resume text evaluation method and device and a server, and the method comprises the steps: classifying the content of a resume text, and obtaining at least one sub-text; for each sub-text, extracting keywords in the sub-text according to the keyword library and the demand information of the target post, carrying out standardized statistical calculation on numerical information in the keywords to obtain feature information of the sub-text, and then obtaining the matching degree of the sub-text according to the demand information and the feature information; and generating evaluation information of the resume text according to the matching degree of each sub-text. Compared with the prior art, the method has the advantages that the resume text is divided into the multiple sub-texts, information matching is carried out on each sub-text through the keyword library and the approximate word retrieval mode thereof, then the multi-dimensional scoring rule is designed, evaluation is carried out on each sub-text, and finally the multi-azimuth evaluation information of the resume text is obtained, so the coverage is comprehensive, the curing of the scoring rule is avoided, and the accuracy of resume evaluation is improved.
Owner:MINSHENG BANKING CORP
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