65results about How to "Reasonable placement" patented technology

The invention discloses an automated instrument applied to nucleic acid extraction and continuous operation process of a mass spectrum sample application chip in biomass spectrometry analysis of a nucleic acid sample. The automated instrument comprises three main devices, namely, a nucleic acid extraction and purification device, a nucleic acid liquor relief distributing device and a mass spectrum chip sample application device, wherein nucleic acid in body fluid is extracted by using a magnetic bead method, a mechanical arm is utilized to complete a nucleic acid extraction action, the extracted nucleic acid is dispensed onto a sample board through a dispenser, a pipettor is used for transferring the sample board onto a chip sample application instrument, and the mass spectrum and relatedinformation of the nucleic acid are obtained through laser sampling of a mass spectrometer, so that the nucleic acid is analyzed rapidly, directly and continuously. The automated instrument is high-precision in controlling the volume of dispensed liquor, high-cleanliness in controlling the quality of the dispensed liquor and high-efficiency in meeting sample application requirements of large-batch samples; meanwhile, the samples are uniformly distributed under the control of a computer program, volume errors and possible foreign pollution caused by manual operation are avoided, and the speed and efficiency in sample application are increased at the same time.

The invention relates to a cloud robot edge computing unloading model and an unloading method thereof. According to the technical scheme provided by the invention, the method comprises the steps thatfirstly, an edge server placement model is established, then local and edge server task processing models are established, and then a game theory model is established; an initial clustering center isdetermined; clustering is performed according to the target function; and unloading is carried out by a task unloading method based on an improved game theory algorithm. On one hand, research is carried out from the placement problem of the edge server, an improved k-means algorithm is provided in a many-to-many scene of the cloud robot and the edge server, and the problems that the workload pressure of a single edge server is too large and the task processing efficiency is low are solved; and on the other hand, on the basis of edge server placement research, for the problem of partial task unloading of the heterogeneous cloud robot, fine-grained segmentation is carried out on the tasks, an improved game theory algorithm is provided, an optimal unloading strategy is researched, the energyconsumption of the cloud robot is reduced, and the task completion time is shortened.

The invention relates to a process of realizing cultivating annual black fungus through punching bags by using an intelligent sunlight greenhouse. Fungus bags suspended in the sunlight greenhouse, according to the temperature and humidity in the sunlight greenhouse (1), can be automatically or manually sprayed and humidified, automatically or manually ventilated, and automatically or manually heated, so as to realize cultivating annual black fungus through punching bags by using the intelligent sunlight greenhouse in such ways of saving the land and being unaffected by the weather. The black funguses can be cultivated by the process so that the land saving can be realized and the black funguses are not unaffected by the weather, the growing trend can be controlled, the four-season cultivation can be realized, and the yield and benefit can be improved; furthermore, the small-scale distributed black fungus plantation can be changed into an intensive, specialized, standardized, mechanical and standard factory type production way, so that the high quality, high efficiency and high yield of the black funguses can be realized, the technological content of the black fungus cultivation can be improved, the production cost can be reduced, and the targets of increasing yield, synergia, increase income and stable earnings of the annual production can be realized.

The invention belongs to the technical field of welding machines and dust removal mesh welding methods and discloses a dust removal mesh welding device and a dust removal mesh welding method. The dust removal mesh welding device is mainly characterized by comprising a straightening mechanism, a wire pushing sleeve, a threading rack, a welding mechanism and a transverse wire bending mechanism, which are arranged on an operation platform, wherein a lateral wire baffle is arranged on one side of a wire holding disc; a lower wire baffle is movably fixed below the lateral wire baffle through a fixing pin; a propping spring is arranged between the lower wire baffle and the lateral wire baffle; two lower welding heads are arranged on the operation platform and located on two sides below the wire holding disc; a swinging passage for allowing the lower wire baffle to swing in is formed between the two welding heads; two down-pressing air cylinders with down-pressing plates are arranged on the operation platform and located on the outer sides of two welding head seats; the opposite side surfaces of the two down-pressing plates cling to the side surfaces of the wire holding disc; and an upper welding head is located below the down-pressing plates. According to the invention, transverse wires are pressed down by the down-pressing plates, the contact and welding positions of longitudinal wires and the transverse wires are close to the outer sides of wire holding grooves, the contact positions of the longitudinal wires and the transverse wires are accurate, and the welding quality is high.

The invention discloses an intelligent operating table with a positioning function. The intelligent operating table comprises a base, a lifting table and an operating table body, the lifting table isarranged on the upper surface of the base, the bottom of the operating table body is fixedly connected to the top of the lifting table, one side of the operating table body is internally provided witha driving cavity and a transmission cavity in sequentially linear arrangement, and a first step motor is arranged in the driving cavity. By combination design of a positioning emitter in a scalpel, the controller and three step motors, reasonable placement positions of an operating instrument tray and an operating shadowless lamp on the operating table body can be calculated by the controller according to real-time positioning signals sent by the positioning emitter, and then the operating shadowless lamp and the operating instrument tray are controlled by the controller to move to the calculated positions, so that convenience and great utilization effects of the operating shadowless lamp and the operating instrument tray can be achieved during operation.

The invention discloses an intelligent wheel hub bearing unit, which comprises a mandrel, an outer ring and a half shaft, wherein the outer ring is provided with an inner hole, the local part of the mandrel extends out of the inner hole of the outer ring, the mandrel and the inner hole of the outer ring are in rotating matching, the mandrel is provided with an inner hole, one end of the half shaft movably extends into the inner hole of the mandrel, one end of the half shaft is fixedly connected with a star-shaped sleeve through screw threads, the star-shaped sleeve is positioned in the inner hole of the mandrel, the star-shaped sleeve forms a plurality of straight groove passages, and the straight groove passages are parallel to the axial line of the half shaft. Correspondingly, a plurality of straight groove passages are also formed on the inner hole wall of the mandrel, the straight groove passages are parallel to the center line of the inner hole of the mandrel. Universal joint rolling bodies are placed between the corresponding straight groove passages of the inner hole of the mandrel and the star-shaped groove, the inner hole of the mandrel is clamped into the O-shaped ring, the half shaft passes through the O-shaped ring, the half shaft and the O-shaped ring are movably matched, the O-shaped ring is blocked at the inner end of the star-shaped sleeve, and a film type temperature / vibration acceleration sensor is arranged on the outer wall of the outer ring. The intelligent wheel hub bearing unit can realize the real-time monitoring, the warning can be realized when abnormality occurs, and the maintenance can be carried out in time.

The invention provides a data storage and dynamic migration method. The method comprises the steps that after a client side submits a data storage request, according to the size of a dispatching evaluating value, sequentially selecting at least one data node for storing data; obtaining a relative load value of the data nodes and an average load value of all the data nodes; if the relative load value of the data nodes is not smaller than the average load value, determining the data nodes as heavy load nodes, and adding the heavy load nodes into a heavy load node set in a descending sorting mode; otherwise, determining the data nodes as light load nodes, and adding the light load nodes into a light load node set in an ascending sorting mode; migrating the data in the heavy load nodes in theheavy load node set to the light load nodes in the light load node set. The execution efficiency during node load balancing can be improved, consumption of node hardware resources is lowered, and themethod is of an important and practical significance in improving the storage efficiency of a cloud storage system and relieving the bandwidth pressure.

The invention relates to electrical equipment, and discloses electrical device placement equipment with a variable-volume installation cavity. The electrical device placement equipment comprises an equipment body (1), wherein a volume expansion body (3) is arranged in the equipment body (1), can extend out of a front end surface of the equipment body (1) and do linear motion in a reciprocating wayalong a width direction of the equipment body (1), the volume expansion body (3) is a rectangular frame, the rectangular frame comprises four side plates, and a door body (4) is arranged at a front end surface. By arranging the volume expansion body (3) capable of stretching and contracting in the equipment body (1), the internal volume of the whole equipment body (1) is changed, the applicationrange of the equipment is expanded, so that the equipment can be reasonably arranged, and the demand is fully satisfied.

The invention discloses a comprehensive analysis management system based on medical big data. The comprehensive analysis management system comprises a data recording module, a data extracting module,a data analysis module, a data integrating module, a registering module, a controller, a medical treatment terminal, a storage module, a data processing module, a Bluetooth interconnecting module anda data calculating module. According to the system, after the data analysis module acquires Ei and R, the data analysis module performs mutual comparison and marks a Ti and a Ui. Firstly the Ti and the Ui are transmitted to the data integrating module. The Ti and the Ui are used for generating a computing signal and the computing signal is transmitted to the registering module. After the registering module receives the computing signal, the registering module transmits basic information in the registered hospital to the data integrating module. The data integrating module acquires Fij according to the basic information, the Ti and the Ui. Furthermore the data integrating module performs sequencing of the Fij from highest to lowest for generating a bed migration table. Furthermore the bed migration table is transmitted to the medical treatment terminal through the controller for displaying so that when the beds in a diagnosis department are full, the subsequent in-hospital patients in the diagnosis department can be reasonably arranged.

The present invention provides a full-automatic polypeptide extraction time-of-flight mass spectrometry detector capable of concurrently extracting bulk samples. The full-automatic polypeptide extraction time-of-flight mass spectrometry detector comprises a polypeptide extraction and purification device, a pipetting distributing device, an automatic sample adding device and a mass spectrometer. According to the present invention, the electromagnetic rod and magnet rod sleeve mode is used so as to completely separate the sample; the polypeptide chip is prepared through the automatic sample adding device; the polypeptide mass spectrum map is obtained through the laser sampling of the mass spectrometer; and the full-automatic polypeptide extraction time-of-flight mass spectrometry detector has characteristics of less time consumption, high efficiency, good uniformity and sample cross-contamination avoiding, and can achieve the same technical effect as the manual operation effect of the existing mass spectrometer.

The invention discloses a bathroom cabinet with a compact structure. The bathroom cabinet comprises a main body cabinet, N reset springs, a hook, a towel rod, a protection chain and an operation rod, wherein one end of the reset spring is connected with the upper end of the main body cabinet, the other end of the reset spring is connected with a fixing nail fixedly arranged on the top of the bathroom cabinet, the hook is connected with the bottom end of the main body cabinet, one end of the protection chain is connected with the upper end of the main body cabinet, the other end of the protection chain is connected with the protection nail fixedly arranged on the top of the bathroom cabinet, the tower rod is fixedly arranged on the wall surface under the vertical direction of the main body cabinet, one end of the operation rod is connected with the bottom end of the main body cabinet, and the other end of the operation rod is vertically downward. The bathroom cabinet achieves the technical effects that the placement mode of the bathroom cabinet is reasonable, the space of a bathroom is saved, the top space of the bathroom is reasonably used, the crowding of the bathroom is avoided, and the use is convenient.

The invention discloses a medical bed arrangement system based on big data, and relates to the technical field of medical big data. The system comprises a data entry module, a server, a data analysis module, a bed allocation module, a monitoring module and a display module; when the data analysis module receives the analysis signal transmitted in the data extraction module, analysis operation is started according to the analysis signal, and a corresponding hospitalized hospital is obtained; the bed distribution module is used for receiving hospitalized personnel and corresponding hospitalized hospitals and distributing beds for the hospitalized personnel; when the beds in the hospitals are saturated, the corresponding hospitalized hospitals can be selected according to the capital abundance values to reasonably arrange the hospitalized persons in the hospitals subsequently, so that the idle beds in other hospitals are reasonably utilized; and the bed can be reasonably arranged for the hospitalized personnel according to the distribution value, so the experience of the hospitalized personnel is improved, the nursing of the medical personnel is facilitated, and the problem of manpower waste is avoided.

The invention discloses a novel automobile part storage frame, and belongs to the field of machining. The novel automobile part storage frame comprises a U-shaped supporting part, two circular frame bars and baffles. The two ends of the frame bars are fixed to vertical plates at the two ends of the supporting part respectively, the baffles are rectangular plates, one rectangular side of each baffle is provided with two same inverted-U-shaped clamping grooves, and center seams are vertically formed in the top ends of the clamping grooves. Each baffle is clamped on the frame bars through the corresponding two clamping grooves, the opening width of the clamping grooves is smaller than the diameter of the frame bars, the tightening degree is increased when the clamping grooves and the frame bars are clamped, the baffles are easily fixed to any positions of the frame bars, parts of different shapes and sizes can be stably placed in the storage frame, it can be guaranteed that the parts are prevented from bumping against one another, the parts on the storage frame are stored as many as possible, the placement positions of the parts are reasonable and regular, and the number of the parts on the storage frame can be quickly counted.

The invention provides an ultra-thin automobile air conditioner, which relates to automobile refrigeration equipment. The air conditioner is divided into an indoor side part and an outdoor side part through a middle partition plate (9); an electric heater (17), an evaporator (5) and an indoor fan (8) are mounted on the indoor side part in sequence; an air return opening (21) and an air outlet (22) are formed in the indoor side part; a circle of upward turnups is arranged on the periphery of the indoor side part; a junction bottom plate of a junction box (7) faces towards the external side; a longitudinal partition plate (15) is used for separating a horizontal compressor (14) and a condensing fan (10), which are positioning on the outdoor side part, from each other; a condenser (11) is arranged on the rear side of the outdoor side part; bottom plates of both an indoor mounting frame and an outdoor mounting frame are fixed together with a chassis (3) through a welding method or a method of integrally molding folded edges of the bottom plates; a plastic cover (26) sleeves a step between the indoor mounting frame and the outdoor mounting frame; an air outlet net opening is formed in the rear wall of the plastic cover (26); heat radiation net openings are formed in the two side walls of the plastic cover (26); and an air inlet net opening is formed in the top of the condensing fan (10). The ultra-thin automobile air conditioner provided by the invention is advantaged in that the frontal drag of the ultra-thin automobile air conditioner is greatly reduced, the structure of the ultra-thin automobile air conditioner is simple and the ultra-thin automobile air conditioner is convenient to mount and maintain.

The invention discloses an angular drill which comprises a drill platform, a three-link supporting mechanism and a drill body. The drill platform can be conveniently moved to a position behind the construction position and is fastened by a supporting rod, so that the whole angular drill is fixed; the three-link supporting mechanism can be used for supporting the drill body and can be used for accurately adjusting the direction of the drill body by adjusting the length and the angle between every two links; a drill slideway is simple in structure, so that the drilling work of a drill head can be conveniently finished; placement positions of a main motor and the drill head are more reasonable, and the drilling stroke within a certain space is enabled to be maximized.

The invention relates to the field of seats, in particular to an ABS modified plastic seat. The ABS modified plastic seat comprises a supporting rod, a bottom plate, a base, a backup plate, an armrestmechanism, a back cushion mechanism, a knob, a screw rod, a back cushion main body, a rotating rod, a first gear, a second gear, a sliding block, an adjusting mechanism, a pedal, a through pipe, an air cushion, an air bag and an air pipe. The beneficial effects of the invention are that: a passenger can manually rotate the knob, the knob rotates to drive the rotating rod to rotate, the rotating rod drives the screw rod to rotate, and the screw rod rotates to drive a sliding block to generate a rotating trend; however, the sliding block is limited by the backup plate, the sliding block can only continuously slide up and down in the backup plate, and the sliding block slides to drive the back cushion main body to continuously move up and down, and when the back cushion main body moves to apart perfectly supporting the back of a passenger, the passenger can stop rotating the knob, so that the back cushion main body conveniently pushes against and massages the back of the passenger during use, back muscles of the passenger are relaxed, and riding fatigue is reduced.

The invention belongs to the technical field of pest and disease prevention and control for fruit trees and particularly provides a method for comprehensive prevention and control of bactrocera dorsalis and psyllids in a citrus reticulata blanco orchard. The method includes physical prevention and control and chemical prevention and control. The physical prevention and control include: setting a net in height of 4-5m around the orchard, and circularly arranging a plant isolation protective belt outside the net; setting protective frames among rows of fruit trees in the orchard, hanging yellowor blue sticky trap boards on the protective frames, light traps are mounted above the protective frames, and traps with sex attractants are arranged above or below the protective frames. The chemicalprevention and control include: in a larval stage and an unearthed stage of bactrocera dorsalis, spraying 800-1000-fold solution of 50% phoxim to the ground; in a peak stage of adults, spraying mixedattractants to crowns of trees in the orchard and surrounding other trees; in a citrus yellow shoot general survey period and each germination period of citrus reticulata blanco, spraying a psyllid preventing agent to front and back surfaces of leaves of citrus reticulata blanco. By means of physical prevention and control, chemical prevention and control, biological prevention and control and the like, comprehensive prevention and control of bactrocera dorsalis and psyllids can be realized, the two types of major lethal pests to citrus reticulata blanco can be effectively prevented and controlled, and yield increasing of citrus reticulata blanco is guaranteed.

The invention provides a roof-top unit. The roof-top unit comprises a frame, a compressor and a fan, wherein the frame is formed by connecting profiles, an installation space is formed in the middle of the frame; the compressor is installed on a bottom plate of the frame or installed on a partition plate dividing the installation space into a first installation space body and a second installation space body; and the fan is located in the installation space and fixed to the top of the frame through an installation structure. According to the roof-top unit, when the fan and the compressor work at the same time, vibration of the fan / compressor is greatly attenuated when gradually transmitted to the position where the compressor / fan is located through the frame formed by connecting the multiple profiles, the vibration is not enough to cause intense resonance, through practical testing, the resonance phenomenon of the roof-top unit is not obvious, and the phenomena that noise caused by resonance is generated, and equipment is damaged due to resonance are avoided; and the compressor and the fan are reasonable in placement position, the evaporator size can be maximally increased in the original space, the heat exchange efficiency is improved, and the space utilization rate is increased.

The invention provides a skeleton of a remote control flying toy. The skeleton comprises a horizontal skeleton part, a vertical skeleton part, an upper main shaft fixing frame, a lower main shaft fixing frame and a double-steering-engine fixing frame, wherein the vertical skeleton part is fixed on the horizontal skeleton part, the vertical skeleton part is composed of a left vertical skeleton part and a right vertical skeleton part, the upper main shaft fixing frame and the lower main shaft fixing frame are fixed between the left vertical skeleton part and the right vertical skeleton part, and the double-steering-engine fixing frame is fixed on the rear parts of the left vertical skeleton part and the right vertical skeleton part. The main structure of an aeromodelling airplane is concise, perfect, reasonable and applicable, and all the components arranged on the aeromodelling airplane can be effectively fixed.

The invention relates to an electric device and discloses a walking mechanism and an electrical box with the walking mechanism. The electrical box comprises a box body. The bottom of the box body is provided with the electric box walking mechanism which comprises a driving part and a walking part, the driving part comprises a driving wheel, a first driven wheel engaging with the driving wheel anda second driven wheel engaging with the first driven wheel, the first driven wheel and the second driven wheel are connected to a first screw and a second screw, the first screw and the second screw are threadingly connected to pushing blocks capable of linearly reciprocating along screw axial seats, and the pushing blocks are provided with walking wheel mechanisms. According to the invention, bysetting a volume expansion body capable of stretching and contracting in the box body, the internal volume of the entire box body is changed, the applicable range of equipment is expanded, therefore,the equipment can be properly placed, the requirements are fully satisfied, in addition, the walking mechanism capable of expanding and retracting to the bottom of the box body is set, and the movement of the box body can be easily achieved.

Hermetical clothing capable of complementing standard atmospheric pressure belongs to the field of protection science. The invention is to realize normal breath and movement at high altitude region. The garment comprises hermetical protective clothing, transparent hood, sealing / connecting ring between the clothing the transparent hood, elastic sealing waist belt, elastic sealing cuffs, self-service air-supplementing hand ball, pressure limiting / relieving valve, and pressure oxygen cylinder. The invention is characterized in using local air resource with conventional handball invigorating vital energy technology as main method, and assisting with pressure oxygen cylinder to self-create good breath environment close to standard atmospheric pressure. The invention can be used for special work and tour service in high altitude region.

A multi-light shooting system with adjustable light path is disclosed and comprises an optical lens, and a light splitting module capable of splitting light waves transmitted by the optical lens intoa plurality of light waves with different wavelength ranges is arranged on the imaging side of the optical lens; the shooting system comprises an optical path adjusting mechanism for adjusting an optical path and a photosensitive chip for receiving an optical signal split by the light splitting module; the shooting system comprises an image processing module capable of integrating and outputting the light waves received by the photosensitive chips; the optical path adjusting mechanism is arranged between the light splitting module and the photosensitive chip, the light splitting module is provided with a light splitting inclined plane, and the included angle alpha between the light splitting inclined plane and the horizontal direction is larger than or equal to 10 degrees and smaller thanor equal to 120 degrees; the wavelength of the light wave split by the light splitting module is between 420 nanometers and 650 nanometers, or one part of the wavelength is between 420 nanometers and650 nanometers, and the other part of the wavelength is between 700 nanometers and 1100 nanometers. According to the invention, high definition of a shot image is realized, the image color reducibility is good, and clear imaging can be realized under low illumination.

The invention discloses a coal feeding device for three waste mixed combustion furnace production. The coal feeding device comprises a mixed combustion furnace and coal feeders, and coal is conveyed into the mixed combustion furnace through the coal feeders. The coal feeding device is characterized in that the left side of the mixed combustion furnace is provided with two coal feeding ports, the right side of the mixed combustion furnace is also provided with two coal feeding ports, one coal feeder is connected to each coal feeding port, and the height of the coal feeding ports is larger thanthat of the horizontal central point of the mixed combustion furnace. The coal feeders are arranged on the two sides of the mixed combustion furnace separately, the coal is uniformly conveyed to the coal combustion area where the coal can not be easily conveyed in production, therefore, uniform coal feeding is achieved, the furnace hearth temperature is easy to control, operation is easy and convenient, and production is stabilized.

The invention provides a parking management mechanism and system, and relates to the technical field of intelligent management. The parking management mechanism is used for storing and managing shared bicycles and / or shared electric vehicles and comprises a storage unit, a transfer unit and a moving unit, wherein the storage unit is used for placing the shared vehicles, the storage unit is provided with a longitudinal multilayer structure, the transfer unit is used for transferring the shared vehicles, and the moving unit is used for moving the position of the parking management mechanism. The parking management mechanism solves the technical problems that a parking pile in the prior art is large in occupied area, and storage of the shared vehicles easily occupies a large amount of space along with continuous increase and popularization of the shared vehicles.

The invention relates to an insect inducing belt which is made of a colored degradable strip material. The insect inducing belt is characterized in that one surface of the colored degradable strip material is coated with an insect sticking glue layer, and 0.5-4cm non-glue areas are arranged on the upper edge and on the lower edge of the insect sticking glue layer. The insect inducing belt overcomes the defect that an insect sticking plate is not easy to degrade, achieves the purpose of trapping insects on the basis of color tendency characteristics of the insects and inducing performance of attractants, and can further improve the insect trapping effect when the insect inducing belt is suspended at ventilation openings of greenhouses or conservatories.

The invention relates to a low-pressure hydrogen flame ionization detector which comprises a lower shell, a gas inlet pipe, an upper shell and a sealing barrel, wherein the lower shell comprises a disk base with a large diameter and a cylindrical base with a small diameter; a slot body is formed in each of the top of the cylindrical base and the bottom of the disk base; a through hole is formed between the two slot bodies; an air channel communicated with the through hole is formed in the bottom surface of the disk base; the upper end of the air inlet pipe is coaxially connected with a nozzle through a clamping sleeve and is connected into the slot body in the bottom of the disk base in a fastening manner; the nozzle passes through the through hole and is positioned in the slot body in the top of the cylindrical base; a gap is reserved between the nozzle and the inner wall of the through hole and is communicated with the air channel; an opening for feeding hydrogen is formed in one side of the gas inlet pipe; the upper shell is of a barrel-shaped structure; the lower end of the upper shell is connected to the top of the cylindrical base; an insulating sleeve is arranged in the upper shell; a collector is in tight fit in the insulation sleeve; the top of the upper shell is coaxially connected with a gas outlet pipe in a fastening manner; the opening end of the sealing barrel is connected with the disk base in a fastening sealing manner; the sealing barrel encircles the cylindrical base and the upper shell.

The invention discloses a multi-light shooting system, which comprises an optical lens, and a light splitting module capable of splitting light waves transmitted by the optical lens into a plurality of light waves with different wavelength ranges is arranged on the imaging side of the optical lens; the shooting system further comprises at least two photosensitive chips used for receiving the lightsignals split by the light splitting module. The shooting system further comprises an image processing module capable of integrating and outputting the light waves received by the photosensitive chips. The light splitting module is provided with a light splitting inclined plane, and the included angle a between the light splitting inclined plane and the horizontal direction is greater than or equal to 10 degrees and less than or equal to 60 degrees; the wavelength of the light wave split by the light splitting module is between 420 nanometers and 650 nanometers, or one part of the wavelengthis between 420 nanometers and 650 nanometers, and the other part of the wavelength is between 700 nanometers and 1100 nanometers. According to the invention, high definition of a shot image is realized, the image color reducibility is good, and clear imaging can be realized under low illumination.