31results about How to "Clear and intuitive understanding" patented technology

The invention provides an AST-based relational database SQL table relation analysis and display method, and belongs to the technical field of web, java and databases. According to the method, an abstract syntax tree AST of sql is generated through syntax and lexical analysis of sql, and then the generated abstract syntax tree AST is accessed and traversed to extract tables and fields, so that analysis of table relationships of sql statements of the relational database and analysis of subordinate field relationships are realized. The table relationship and the field relationship are visually displayed in a drawing form through Mxgraph. And the complexity of association analysis is further reduced, and the compatibility of the system is improved.

An embodiment of the invention discloses a generation method and system of graphical descriptions of version updates of mobile applications. The method includes: clustering classes of version updates before and after modification of a mobile application so as to obtain clustering results; according to the clustering results, positioning and modifying a corresponding user interface of the mobile application; according to the modified user interface, generating a graphical description of updates. The generation method and system has the advantages that by generating graphical update descriptions, the corresponding user interfaces for software updating can be displayed to users, the users can be helped more visually know the changes of software, better services are provided for the users, and user experience is evidently improved.

The invention relates to a generating method of an association picture of a power grid dispatching operation order, and belongs to the technical field of a power system. The method includes steps of firstly, performing topological search on a related device to be operated according to an operation task, generating operation order tidal current charts of a factory station and a device that the operation task involve in; at last, adjusting the positions of the device and the factory station in operation, dynamically laying out and forming the association picture involved by the operation order. After generating the association picture, a dispatcher shall clearly and directly learn about the device to be operated, and provide a powerful technical support and decision-making bias for the power grid dispatching command operation.

The invention discloses an information management system based on health care information, including: an information acquisition module, used to receive health care information from one or more health care information sources; an information storage module; and a data analysis and processing module, used for one or more Analyze the health care information obtained from multiple health care information sources, and generate a health care information analysis report; the health care information analysis report contains at least one health index over time curve, and the evaluation information of the health index; report Output modules; user interface components. The data analysis and processing module of the present invention can generate a health care information analysis report. The health care information analysis report includes a graph of at least one health index changing over time, and the evaluation information of the health index, so that the user has a clear and intuitive view of the health trajectory. The understanding of monitoring indicators and the evaluation information of monitoring indicators can be obtained.

The invention belongs to the technical field of industrial detection, and discloses a board defect area extraction method and device, and the method comprises the steps of obtaining a to-be-detected board image, and carrying out the segmentation of the image, and obtaining a plurality of detection units; obtaining gray threshold values in one-to-one correspondence with the multiple detection units; and calculating a gray average value of the detection unit, comparing the gray average value with a corresponding gray threshold value, and judging whether the detection unit contains defects or not. According to the invention, the to-be-detected board image is divided into the plurality of detection units, whether each detection unit contains defects or not is judged, the accuracy of the judgment result is improved, meanwhile, all the detection units containing the defects jointly form the defect area on the board; when the defects are further identified subsequently, only the detection units containing the defects are analyzed, so that the amount of data needing to be processed is greatly reduced, and the time required for detecting the defects of the board is shortened.

The invention relates to a website recommendation method and device, computer equipment, a storage medium and a computer program product. The website recommendation method can be applied to the financial field or other fields. The method comprises the following steps: in response to a website recommendation request of a client, obtaining a plurality of candidate websites associated with the website recommendation request, and obtaining idle degrees corresponding to the candidate websites; determining a target network point of which the idle degree meets a preset idle degree condition from the plurality of candidate network points; obtaining an image template, and generating a pedestrian flow peak-valley map based on the image template and the pedestrian flow information corresponding to the target network point; and generating website recommendation information for the target website based on the pedestrian flow peak-valley graph, and returning the website recommendation information to the client. The target website recommendation can be performed according to the website idle degree, the waiting time is reduced, the passenger flow condition of the target website is reflected through the passenger flow peak-valley graph, the efficiency of the user for knowing the target website information is improved, and the cost of using the website service is reduced.

The present invention discloses an automatically cleanable architectural model display stand, comprising a base, an exhibition stand is rotatably arranged in the center of the end surface on the upper end surface of the base, a display device is provided on the upper end surface of the exhibition stand, and the display device includes a fixed device The glass cover on the upper end surface of the booth, the upper end surface of the booth is provided with a water tank with an upward opening, the outer surface of the booth is provided with an external dust removal device, and the water tank is provided with an internal cleaning device. The lighting conditions at the location can display more information for the situation of the building, so that people can understand it more clearly and intuitively. The booth can be rotated manually to facilitate observation from various angles. At the same time, it can automatically remove dust inside and outside when not in use, making the booth and The internal architectural model is clean and new, giving people a better look and feel.

The invention belongs to the technical field of industrial inspection, and discloses a method and a device for extracting a defect area on a board surface. The method for extracting a defect area on a board surface includes: acquiring and dividing an image of the board surface to be detected to obtain a plurality of detection units; Grayscale thresholds corresponding to multiple detection units one-to-one; calculate the grayscale mean of the detection units and compare them with the corresponding grayscale thresholds to determine whether the detection units contain defects. The invention divides the image of the board surface to be detected into a plurality of detection units, and judges whether each detection unit contains a defect, thereby improving the accuracy of the judgment result. When the defect is further identified, only the detection unit containing the defect can be analyzed, which greatly reduces the amount of data that needs to be processed, thereby reducing the time required for defect detection on the board surface.

The embodiment of the present invention discloses a method and system for generating a graphical description of a mobile application version update, wherein the method includes: clustering the classes of the mobile application version update before and after the modification, and obtaining the clustering result; according to the clustering As a result, the user interface corresponding to the mobile application is modified; and a graphical description of the updated description is generated according to the modified user interface. In the embodiment of the present invention, by generating a graphical update description, the user interface corresponding to the software update can be displayed for the user, which can help the user understand the software changes more clearly and intuitively, provide better services for the user, and significantly improve the user experience .

The invention is suitable for the technical field of river channel testing, and provides a river channel gradient testing device, which comprises a fixed rod, a demonstration part; a test unit; a first link; a second connecting rod; a transmission assembly; and a measuring instrument; the transmission assembly drives the testing part to descend into a river to a river channel, the multiple testing blocks can be attached to the river channel along the trend of the slope of the river channel, the testing blocks can drive the demonstration blocks to incline through the second connecting rods, the inclination angles of the demonstration blocks are the same as the inclination angles of the testing blocks, and the inclination angles of the demonstration blocks can be measured through the measuring instrument. Meanwhile, the video camera can shoot the demonstration part to form a river slope demonstration diagram, so that the river slope can be clearly and intuitively known, the problems that an existing river slope testing device cannot clearly display the slope trend of a tested position and needs multi-point testing are effectively solved, and the river slope testing efficiency is improved.

The invention discloses a tensile membrane structure teaching model, comprising a working platform (3), a supporting structure (2) and at least one layer of membrane surface (1), wherein the supporting structure (2) is fixed on the working platform (3); and the membrane surface (1) is fixed on the supporting structure (2). A first hole (31) penetrating the upper and lower parts is formed in the center of the working platform (3). The supporting structure (2) comprises a first supporting rod (21) and at least three second supporting rods (22). The teaching model is low in manufacturing cost and simple in manufacturing, and a student can independently complete all operation, so the teaching model is favorable for teaching popularization.

A physical and chemical experiment lesson preparation system applied to a network classroom of the present invention includes a lesson preparation platform and a processor, the lesson preparation platform includes a recording unit and a table body, the recording unit includes a positioning video and audio acquisition module and a dynamic audio and video acquisition module, the The audio-visual information obtained by the recording unit is sent to the processor for sorting and storage; the table top is rectangular, the short side of the table is provided with slide rails, and the long side of the table is provided with chute, two The positioning audio-visual acquisition modules are respectively arranged on the slide rails of the two short sides of the table top, and the two dynamic audio-visual acquisition modules are respectively arranged in the chute of the two long sides of the table top; the middle part of the table top is provided with a movable booth for Auxiliary experiments provide a professional lesson preparation platform for teachers to conduct experiments, and obtain all-round audio and video through the recording unit, so that students can understand the experimental process more clearly and intuitively, and help students understand the teaching content.

The invention discloses a frog specimen storage device. The frog specimen storage device comprises an exhibition mechanism and a specimen storage mechanism. The exhibition mechanism comprises a base,a rotary shaft, a shaft sleeve bearing and a transparent exhibition tank. The lower end of the rotary shaft is fixedly connected with an upper board of the base. The upper end of the rotary shaft is fixedly connected with the inner ring of the shaft sleeve bearing. The outer ring of the shaft sleeve bearing is fixedly connected with a lower board at the bottom of the transparent exhibition tank. The transparent exhibition tank rotates with the rotary shaft as the axis. The specimen storage mechanism comprises a tadpole specimen storage tube, an adult frog specimen storage bottle and an adult frog skeleton specimen storage bottle. The tadpole specimen storage tube, the adult frog specimen storage bottle and the adult frog skeleton specimen storage bottle are arranged in the transparent exhibition tank. The adult frog specimen storage bottle is arranged over the adult frog skeleton specimen storage bottle. According to the frog specimen storage device, the forms of frogs in different growth stages can be compared and observed, the trouble that a frog specimen has to be taken and rotated when observed at all angles in the circumferential direction is avoided, and people can observe the forms of the frog at different growth stages conveniently.

An embodiment of the invention discloses an object display device which comprises a shell and a display unit. The shell is provided with multiple side faces and one back, and the side faces and the back form the interior of the shell to have objects placed; the display unit is opposite to the back and is sleeved with the shell, the display unit comprises a first display area and a second display area, wherein the first display area is of a transparent display area, and the second display area is of an image display area; a backlight unit is further arranged on the second display area on the side facing back, and the backlight provides light sources to the second display area.

The invention discloses an anti-explosion brake system, and relates to the field of brake systems, and a central processing module is used for a central module in a vehicle brake system, summarizes a brake feedback condition, a power supply control condition and a brake self-inspection condition, analyzes and arranges the conditions, and then sends data to a display module for display. According to the system, the brake command is recorded, then the brake distance is detected and recorded, and the analysis module analyzes the recorded data, so that the brake safety degree is obtained, and the brake safety is digitally sent to the display screen to be checked by a driver; and the data analysis module can also compare and analyze the current braking condition with the previous braking condition so as to obtain whether the braking performance is reduced or not, digitalize the analysis data and send the analysis data to the display screen module, so that a driver can more intuitively know the safety degree and the loss degree of the vehicle braking.

The physical and chemical experiment lesson preparation system applied to the online class. The system comprises a lesson preparation platform and a processor, wherein the lesson preparation platformcomprises a recording unit and a table body, the recording unit comprises a positioning audio-video acquisition module and a dynamic audio-video acquisition module, the audio-video information acquired by the recording unit is transmitted to the processor to be sorted and stored, the table top of the table body is rectangular, sliding rails are arranged on the short edges of the table top, slidinggrooves are formed in the long edges of the table top, the two positioning audio and video obtaining modules are arranged on the sliding rails on the two short edges of the table top respectively, and the two dynamic audio and video obtaining modules are arranged in the sliding grooves in the two long edges of the table top respectively. The system is advantaged in that a movable exhibition standis arranged in the middle of the table top and used for assisting an experiment, a professional lesson preparation platform is provided for a teacher to do the experiment, omnibearing video and audioacquisition is conducted through the recording unit, students can know the experiment process more clearly and visually, and the students can understand teaching content easily.

The invention relates to a generating method of an association picture of a power grid dispatching operation order, and belongs to the technical field of a power system. The method includes steps of firstly, performing topological search on a related device to be operated according to an operation task, generating operation order tidal current charts of a factory station and a device that the operation task involve in; at last, adjusting the positions of the device and the factory station in operation, dynamically laying out and forming the association picture involved by the operation order. After generating the association picture, a dispatcher shall clearly and directly learn about the device to be operated, and provide a powerful technical support and decision-making bias for the power grid dispatching command operation.

The embodiment of the invention belongs to the technical field of data processing, and relates to an insurance policy tracing method, which comprises the following steps: acquiring insurance policy information and corresponding charging data of all insurance policies from an insurance policy database, acquiring an insurance policy splitting rule according to the insurance policy information, and splitting the charging data based on the splitting rule to obtain splitting information, and obtaining investment data of the insurance policy according to the insurance policy information, generating traceability information of the insurance policy based on the splitting information and the investment data, obtaining target traceability information corresponding to the target insurance policy, querying target traceability data corresponding to the target insurance policy according to the target traceability information, and displaying the target traceability data. The invention further provides an insurance policy traceability device, computer equipment and a storage medium. In addition, the invention also relates to a block chain technology, and the target traceability data can be stored in a block chain. According to the invention, the tracing efficiency can be improved, and the transparency and credibility of the client are improved.

The invention discloses a method and a device for checking compliance of alteration of operation and maintenance rules and regulations of banks. The method includes acquiring regulation documents of bank systems and carrying out lexical item processing on the regulation documents so as to create inverted indexes; expanding synonyms of terms for the regulation documents so as to obtain regulation documents stored in a structured manner; acquiring alteration documents; carrying out similarity matching on short texts according to the regulation documents stored in the structured manner and paragraphs of the alteration documents during index matching so as to obtain query results. The method and the device have the advantages that the query results can be obtained according to the regulation documents stored in the structured manner and the alteration documents, accordingly, the checking accuracy and efficiency can be improved, and the method and the device are simple and are easy to implement.

The present invention relates to a kind of iterative simulation method of crowd evacuation macro model, comprising the following steps: 1) establishing Aw-Rascle crowd dynamics macro model; 2) carrying out pedestrian Gaussian distribution initialization based on terrain environment; 3) described pedestrian flow based on initialization Gaussian distribution and Aw‑Rascle crowd dynamics macro model for iterative simulation and display of simulation results. Compared with the prior art, the present invention adopts an iterative simulation method, which can make the simulation effect closer to the real situation, and has the advantages of high precision of the simulation result.

A flowing oil production demonstration model is composed of the components of an oil well sleeve, a simulated temperature display screen, a temperature adjusting switch, an airbag 1, a control box, an airbag 2, a temperature sensor, oil sand, a glass cylinder, a rock layer, a liquid induction device, a control valve, a timing device, an LED lamp, a first air pump control switch, a second air pump control switch, an air pump 1, an air pump 2, a first sealing porous baffle plate, a second sealing porous baffle plate, a third sealing porous baffle plate, a pressure sensor, holes, a pressure display screen, an oil pipe and an oil receiving device. The flowing oil production demonstration model has advantages of simple principle, convenient operation and accurate simulated number. The flowing oil production demonstration model can clearly and visually demonstrate system structure of a flowing oil well and principle and phenomenon of flowing oil production. The flowing oil production demonstration model is particularly suitable for demonstration in teaching.