48results about How to "Achieve scale" patented technology

The application discloses a display device, comprising a display device and a camera device, the camera device is fixed to the display device, the camera device comprises a rotating support and a camera module, a mounting piece of the rotating support is fixed on the back surface, one end of a first rotating piece of the rotating support is hinged to the mounting piece, one end of a second rotating piece of the rotating support is hinged to the other end of the first rotating piece. The camera module is hinged to the other end of the second rotating piece, and the camera module is configured to move relative to the mounting piece under the rotation of the rotating support. The two ends of the first rotating piece and the second rotating piece hinged to each other are provided with avoiding structures, the avoiding structures are configured to avoid the relative rotation of the first rotating piece and the second rotating piece, so that the angle of the relative rotation of the second rotating piece and the first rotating piece is not less than 180°. The display device of the application can make the adjustable range of the camera device relative to the display device larger, and then adapt to display devices of various thickness sizes.

The invention provides a main data automatic governance method and system based on a large model and Dores, and belongs to the field of data governance. The method comprises the following steps: constructing an RAG main data management knowledge base stored in Dores, and exploring multi-source heterogeneous data by utilizing federated query and MCP service of the Dores; driving an end-to-end process from main data automatic identification, asset checking, source layer modeling and data access, and main data standard model definition and gold attribute set generation by using a large language model; deep cleaning is carried out on the data by adopting a rule and AI cooperation mode, and heterogeneous data mapping and ETL task generation and arrangement are completed; finally, in combination with a graph database and an authority system, intelligent data security sharing based on dynamic desensitization is realized. According to the method, automation, intelligence and adaptive optimization of the whole process of main data management are realized, and the problems of dependence on manpower, low efficiency, incomplete coverage and insufficient safety compliance of a traditional scheme are solved.

The present application relates to a kind of variable stiffness fiber reinforced programmable soft actuator unit, including flexible matrix and controllable module, flexible matrix is pipeline-like, and controllable module is fixed on the outer layer of flexible matrix distribution;Controllable module uses single-layer module or the multi-layer module arranged inside and outside;Each layer of controllable module is wound by at least one variable stiffness fiber according to certain angle and direction;The control line of connection controllable module is distributed in the inner cavity of flexible matrix, and is connected with external control system;The two ends of the inner cavity of flexible matrix are blocked and leave medium filling and discharging mouth, and fluid medium is filled in the inner cavity;Controllable module state is two kinds of flexible state and rigid state, when carrying out the deformation control of soft actuator unit, by controlling part variable stiffness fiber to be rigid state, another part variable stiffness fiber is flexible state, realizes the deformation control of soft actuator unit.

The present application relates to the technical field of medical apparatus and instruments, and relates to a large-angle universal interchangeable adjustable bone hook. The bone hook cap, the ball head rod, the bone hook base, the pin shaft, the stop block, the bone hook rod and the bone hook claw are provided. The upper end of the ball head rod is matched with the spherical groove of the bone hook cap. The lower end of the bone hook cap is provided with four arc surface grooves which are communicated with the spherical groove. The lower end of the ball head rod is fixed to the upper end of the bone hook base. The middle part of the bone hook base is provided with a spherical groove. The two sides of the bone hook base are provided with sliding grooves one which are communicated with the spherical groove. The bone hook base is provided with sliding grooves two which are perpendicular to the sliding grooves one and are communicated. The ball head of the top of the bone hook rod is matched with the spherical groove. The stop block is slidably arranged in the sliding grooves one. The pin shaft is elastically and slidably arranged in the sliding grooves two. The pin shaft is connected with the stop block. The bone hook claw is sleeved on the bone hook rod and is connected through tooth matching. The bone hook rod is provided with an adjusting assembly.

The application relates to the technical field of retrieval enhancement generation evaluation, and provides a retrieval enhancement evaluation method and device based on multi-round dialogue context perception, which comprises the following steps: a first large language model is constructed; the first large language model is used for question rewriting according to a question and context; historical multi-round question and answer data of real users is extracted; a multi-round evaluation set is generated based on the historical multi-round question and answer data, a knowledge base document, a second large language model and a RAG system; the second large language model is used for summarizing a business classification, a question type and an interaction paradigm of each multi-round question and answer; the first large language model is used for converting the multi-round evaluation set into a single-round question set; and the RAG system is evaluated by using evaluation indexes, the multi-round evaluation set and the single-round question set. The application realizes automatic generation of the multi-round evaluation set, reduces the manual labeling cost, reduces the construction difficulty of the multi-round evaluation set, and realizes evaluation of the multi-round dialogue RAG task.

The invention provides a drill rod inner wall cleaner anchoring mechanism which comprises a stroke assembly and an anchoring assembly, the stroke assembly comprises supporting frames arranged in a V shape, a reset spring is arranged between the supporting frames, and a compression counter is arranged on the reset spring; one end of the support frame is rotatably connected with the inner wall of the fixed cylinder, and the other end is provided with a travel wheel which extends out of the fixed cylinder to contact with the inner wall of the drill rod; a permanent magnet is arranged on the outer edge of the travel wheel, and a Hall sensor matched with the permanent magnet is arranged on the supporting frame; the anchoring assembly comprises a magnetic slip, a compression spring and an electromagnet; the compression spring and the electromagnet are located in the fixing cylinder, and the electromagnet is located in the compression spring. The magnetic slips are arranged at the two ends of the compression spring arranged in the radial direction, the electromagnet is powered on / off, the magnetic slips slidably retract into / extend out of the fixing cylinder, and the drill rod inner wall cleaner is not fixed to / not fixed to the inner wall of the drill rod. The drill rod inner wall cleaner has the beneficial effects that the drill rod inner wall cleaner can be fixed in a drill rod, and meanwhile the stroke distance can be known.

The utility model discloses a telescopic expansion type massager, which relates to the technical field of massage instruments and comprises a motor, the outer wall of the top of the motor is fixedly connected with a speed reduction gear box, a rotating component and a lifting component are arranged above the speed reduction gear box, an expansion component is arranged above the lifting component, and the rotating component is connected with the expansion component. The rotating assembly comprises a rotating shaft fixedly connected to one end of an output shaft of the motor, a rotating column is fixedly connected to one end of the rotating shaft, a fixing column is inserted into the top of the rotating column, a guide seat and a fixing cylinder are fixedly connected to the top end of the fixing column, and a connecting column is inserted into the top of the fixing cylinder. A massage head is arranged at the end, away from the fixing cylinder, of the connecting column. According to the multi-point massage massager, multi-point massage on the body of a person can be achieved through a set of motors, the production cost of the massager is relatively low, meanwhile, stretching and expanding can be conducted at the same time in the massage process, and the massage requirement of the person is met.

The application discloses a cloud leasing service platform implementation system and method for third-party robots, and belongs to the technical field of Internet of Things cloud, robot management and control and commercial leasing. The system is provided with six core units of device access, tenant management, service configuration, billing, platform management and control, and service monitoring. The method relies on the processes of standardized access of third-party robots, tenant authentication and selection of a set of packages, allocation of independent management and control space, cloud remote control of machines, automatic billing on demand, real-time monitoring of service status, and the like, to complete unified cloud leasing business of multiple brands of third-party robots. The scheme does not require customers to build platforms and transform robot devices, does not bind specific manufacturer hardware and underlying programs, creates a lightweight and low-cost on-demand leasing operation mode, reduces the access threshold of users, facilitates the platform to scale up customer acquisition, adapts to unified cloud operation of multiple robot models, and is high in universality and outstanding in commercial value.

This utility model provides a scooter with an adjustable height support leg structure, including a control lever, a front wheel assembly, foot pedals, a support assembly, and a rear wheel assembly. The support assembly includes a support body, movable legs, and an adjustment fixing member. The support body includes a connecting end and an adjusting end. The connecting end is hinged to the foot pedal. The movable legs are fitted onto the adjusting end. The adjusting end has multiple first adjustment holes spaced apart, and the movable legs have multiple second adjustment holes that mate with the first adjustment holes. The adjustment fixing member passes through and is positioned in both the first and second adjustment holes. The advantages are: by cooperating with the movable legs and the support body, the relative position between the movable legs and the support body can be changed to a specified length. After aligning the first and second adjustment holes, the adjustment fixing member can be inserted to fix the relative position between the movable legs and the support body, effectively improving the user experience and meeting user needs.

The utility model discloses a movable telescopic platform on an electric food truck, which relates to the technical field of telescopic platforms of food trucks, and adopts the following scheme that the movable telescopic platform comprises an outer table plate and a platform mechanism mounted in the outer table plate, and the platform mechanism comprises a telescopic component and an energy storage component; the telescopic assembly comprises an inner table board, a threaded rod, a driven wheel, a transmission belt, a driving wheel, a driving motor, an energy storage battery, an umbrella-shaped gear, a transmission rod, a handle, a bottom groove, a sliding block, a limiting groove and a limiting block, the inner table board is installed in the outer table board, the threaded rod is installed in the middle of the inner table board in a meshed mode, and the driven wheel is fixedly installed behind the threaded rod. In the using process, the threaded rod can be driven by the umbrella-shaped gear on the rear portion to rotate at the same time, when power is cut off or electric energy storage in the device is insufficient, a user can drive the threaded rod to rotate through the handle, then the inner table plate stretches out and draws back in the device, the surface area of the outer table plate is adjusted, and the user can use the table conveniently.

The application is suitable for the technical field of cylindrical inner mold plate, and provides a hollow cylindrical telescopic inner mold plate, which comprises a telescopic assembly, the telescopic assembly comprises a first rotating shaft which is rotatably arranged in a mold pipe, a bearing plate is arranged on the first rotating shaft, an outer sleeve ring is arranged below the bearing plate, a plurality of connecting rods are rotatably arranged between the bearing plate and the outer sleeve ring, a plurality of first horizontal plates and second horizontal plates are arranged on the side wall of the bearing plate, a second rotating shaft is rotatably arranged on each of the first horizontal plates, a first circulating groove is arranged on the second rotating shaft, a third rotating shaft is rotatably arranged on each of the second horizontal plates, a sleeve shaft is rotatably arranged on the second horizontal plate, the sleeve shaft is slidably arranged on the third rotating shaft, a lifting frame is arranged between the bearing plate and the outer sleeve ring, the sleeve shaft and the second rotating shaft pass through the lifting frame, and a second circulating groove is arranged on the sleeve shaft. Therefore, the telescopic application of the outer sleeve ring is realized, the use range of the device is expanded, the adjustment is facilitated, the work efficiency is improved, the outer sleeve ring can be supported, and good use effect is ensured.

The utility model discloses a telescopic rod piece and modularization quick assembly apron for shock insulation ditch, set in the top of shock insulation ditch, include: support beam, parallelly arranged two, and both ends are used for hinged connection with the structure connection, support beam is telescopic structure, support rod piece, install on support beam and along the length direction of support beam and set side by side multiple groups, support rod piece with support beam swing joint, make the support rod piece interval can be relatively staggered. The application is through the pin shaft hinged joint node and the flexible apron component cooperation design, ingenious use parallelogram unstable characteristics, through linkage between the rod piece and the rod piece, realize the telescopic between the rod piece, realize the apron in horizontal and vertical two -way self -adaptation displacement, have when the earthquake and not easy to take place the upwarp, threaten personnel safety and the strong carrying capacity, can satisfy the demand of passing through the person, passing the car.

The utility model discloses a refill rotary positioning device, and particularly relates to the technical field of refill rotary positioning, which comprises a refill main body, a fixing sleeve is sleeved on the outer wall of the refill main body, a shell is sleeved on the outer side of the fixing sleeve, the top end of the shell is in threaded connection with a threaded cover, a rotary positioning component is arranged on the fixing sleeve, and the rotary positioning component is connected with the refill main body. The rotary positioning assembly comprises a rotating block and a positioning ring plate, a lead screw is fixedly arranged at the bottom end of the rotating block, the outer wall of the lead screw is in threaded connection with a nut block connected with the fixing sleeve, and a plurality of limiting plates are fixedly arranged at the top of the positioning ring plate. The lead screw is driven to rotate through the rotating block, the nut block on the lead screw drives the fixing sleeve and the refill body in the fixing sleeve to ascend and descend together, stretching and retracting of the refill body are achieved, meanwhile, positioning and limiting are conducted through the positioning annular plate and the limiting plate, and therefore the stability of the refill body can be improved; the shell and the threaded cover can wrap the refill and the rotary positioning assembly, and the service life of the refill and the rotary positioning assembly can be prolonged.

The invention provides an intrinsic safety type parking device for an unmanned aerial vehicle, which comprises a cabin body assembly, at least one parking assembly and a control system, the cabin body assembly comprises a shell, and at least one side surface of the shell is provided with a groove body; the parking assembly can be contained in the cabin assembly, extends out of the groove body to be used for parking of the unmanned aerial vehicle during use and comprises a parking unit or a plurality of parking units which are sequentially connected in a sleeved mode. Every two adjacent parking units in the multiple parking units can slide relative to each other so that the parking assembly can stretch out and draw back, and the control system is arranged in the intrinsic safety cabin. The embodiment of the invention can be used for auxiliary precise landing of different numbers of unmanned aerial vehicles, the structure is simple, stable and reliable, and meanwhile, automatic opening and closing of the cabin door and stretching and retracting of the parking unit are realized, and position deviation caused by landing of the unmanned aerial vehicles is corrected.

The invention discloses an integrated loop and a catching device thereof, and relates to the field of catching tools. The core is of an integrated structure and comprises a retaining ring, a rope body, a fixed end, a blocking head, a pinching head and multiple micro blocking heads. When in use, the fixed end passes through the retaining ring to bend the rope body into a ring shape. On the basis of the loop, a traditional catching device is upgraded, and the traditional catching device is more convenient to use and maintain. A novel catching device is designed, so that the use method is simpler; through industrial production, the problems that a traditional manual loop is inconsistent in quality, prone to distortion and loosening and high in cost are solved, and the catching efficiency and use convenience are remarkably improved.

A 7XXX aluminum alloy profile comprises the following components: less than or equal to 0.1% of Si, less than or equal to 0.1% of Fe, 0.5%-0.55% of Cu, less than or equal to 0.1% of Mn, 2.3%-2.6% of Mg, 7.1%-7.5% of Zn, 0.05%-0.1% of Zr, less than or equal to 0.05% of Ti, 0.05%-0.1% of Er and the balance of aluminum and other inevitable impurity elements, the content of each of other elements is less than or equal to 0.05%, and the total content is less than or equal to 0.15%. The preparation process of the on-line water-cooling shaping-free 7XXX aluminum alloy comprises the following steps: proportioning according to the mass fraction, smelting the aluminum alloy, refining, standing, casting, homogenizing a cast ingot, extruding a sectional material, cooling the sectional material, stretching the sectional material, aging the sectional material and measuring the flatness. The aluminum alloy section manufactured through the manufacturing technology has good yield strength, the yield strength can exceed 530 Mpa, the ductility can reach 10% or above, in the machining process, the 7XXX aluminum alloy can reach a plane without manual shaping after being subjected to water-cooling straightening, production can be conducted at a high speed, extrusion defects do not occur, and the product quality is improved. The mechanical property of the material is further improved.

The utility model relates to air purification technical field, and disclose a kind of portable air purification equipment with hidden handle, including equipment box, the air inlet is opened in the outside of equipment box, the top of equipment box is provided with hidden structure, the hidden structure includes support rod, the support rod is fixedly connected in the inside of equipment box, the outside of support rod is provided with sleeve rod, the outside of sleeve rod is opened with sliding slot, the sliding block is connected with sliding slot slidingly, the sliding block is fixedly connected with handle, the top of support rod is fixedly connected with spring. The portable air purification equipment with hidden handle, by setting up the M-shaped track of different height of left and right of sliding slot, make sliding block inlay in sliding slot along its path movement, when user presses handle, sliding block slides in M-shaped sliding slot, force sleeve rod to rotate around support rod, realize the telescoping of handle, limit the movement of sleeve rod by setting the cooperation of limiting block and limiting groove, prevent disengaging support rod.

The utility model relates to support technical field especially for a kind of surgical nursing bandaging support, including base, the rotatable plate is hingedly connected in base upper end, the support table is hingedly connected in rotatable plate one end, the fixed bandaging plate is fixed in support table upper end one side, the slide rail two is fixed in support table upper end both sides, the slide rail two surface is slidably equipped with slide, the sliding bandaging plate is fixed in slide upper end, flexible adjustment and strong adaptability: through the hinge connection of rotatable plate and base and the hinge connection of support table and rotatable plate, the rotation and adjustment of multiple angles can be realized, can adapt to the bandaging demand of different parts wound, especially suitable for joint or other active site wound, greatly improve the flexibility and application range of bandaging.

The application discloses a double-zone induction diathermy device for directional solidification of aero-engine single-crystal blades, which comprises a heating body composed of an upper-zone graphite heating cylinder and a lower-zone graphite heating cylinder which are butted together, an insulation cover plate, an insulation bottom plate, an insulation plate, a carbon felt insulation layer, a ceramic fiber insulation layer, an upper-zone induction coil, a lower-zone induction coil, a magnetic isolation ring, a shielding ring, an upper-zone induction power supply and a lower-zone induction power supply, the working frequency of the upper-zone induction power supply and the wall thickness of the upper-zone graphite heating cylinder satisfy that the skin depth of a magnetic field in the upper-zone graphite heating cylinder is greater than the wall thickness of the upper-zone graphite heating cylinder, and the working frequency of the lower-zone induction power supply and the wall thickness of the lower-zone graphite heating cylinder satisfy that the skin depth of a magnetic field in the lower-zone graphite heating cylinder is less than the wall thickness of the lower-zone graphite heating cylinder. The application has the advantages that the yield and processing efficiency of single-crystal high-temperature alloy blades can be improved.

The utility model discloses a micro-positive pressure oxyhydrogen multi-dimensional physiotherapy cabin, which belongs to the technical field of physiotherapy cabins and comprises a cabin body, a cabin door mounted on one side of the cabin body, a base mounted on the inner bottom wall of the cabin body, a motor mounted on one side of the base, a rotating shaft fixed on an output shaft of the motor, gears symmetrically arranged on the outer side of the rotating shaft, and sliding chutes symmetrically formed in the top of the base. Limiting grooves are symmetrically formed in the inner side walls of the sliding grooves, limiting plates are slidably connected into the limiting grooves, sliding frames are fixed to the tops of the limiting plates, and the sliding frames are slidably connected with the sliding grooves. The transmission part is driven by the motor of the starting device, so that the seat can be flexibly stretched out and drawn back. A user can easily sit on the seat extending out of the cabin without drilling into a narrow space, and then the seat is reversely rotated and moved into the cabin body through the device. According to the design, the use convenience and comfort are greatly improved, the access difficulty of a user is reduced, the user experience is optimized, and meanwhile the space utilization efficiency and the function integrity of the physiotherapy cabin are guaranteed.

This invention relates to the field of electronic materials technology, specifically disclosing a copper-based varistor chip electronic paste and its preparation method. The paste is composed of a specific ratio of sheet-like and nano-copper powder, a glass binder phase, an organic carrier, and functional additives. The preparation method employs a multi-stage vacuum dynamic degassing device. This device gently releases large bubbles through a pretreatment chamber, and utilizes a dynamic stirring mechanism with combined revolution, rotation, and reciprocating motions within the main degassing chamber to achieve strong shearing and agitation of the paste across its entire surface. Combined with ultrasonic cavitation, this deeply breaks down bubbles, thereby efficiently and thoroughly removing them. Simultaneously, the device integrates an online viscosity monitoring and intelligent solvent vapor compensation system, enabling real-time adjustment and stabilization of the paste's rheological properties. This invention effectively solves the problems of incomplete bubble removal and performance fluctuations caused by solvent evaporation, significantly improving the density, uniformity, and production consistency of the paste product.

The utility model provides a right angle joint telescopic structure, including casing, vertical plug, connecting wire, be equipped with the PCB board in the casing, be equipped with the outgoing line opening on the casing, the casing inside surface includes first inside surface, be equipped with first containing groove on the first inside surface, the casing outside surface includes first outside surface, be equipped with second containing groove on the first outside surface, be equipped with plug containing groove at second containing groove, the outgoing line opening is arranged between first containing groove and second containing groove, one end of connecting wire is connected with vertical plug, the other end is fixed on the PCB board, be equipped with the bending area on connecting wire, be equipped with first limit unit on connecting wire, be equipped with second limit unit on the first inside surface of outgoing line opening, provide a right angle joint telescopic structure, has realized the telescopic and the storage of right angle joint, occupies small, long service life, can be widely used in data transmission, charge relevant product.

The utility model discloses dry steaming equipment which comprises a shell, a steam generator, a steam generator and a steam generator, the placing plate is horizontally arranged in the hollow cavity, a cooking cavity is defined by the placing plate and the upper portion of the shell, the placing plate is used for placing food materials, and the shell is further provided with an opening which is communicated with the cooking cavity and can be opened and closed; the electric heating assembly is installed on the shell and used for heating the cooking cavity. According to the dry steaming equipment, the electric heating assembly is adopted for heating the interior of the cooking cavity, open fire is not needed for heating, and commercialization and large-scale dry steaming diet can be achieved.

The invention discloses a preparation method of a metal corundum complex based on secondary casting molding. The preparation method comprises the following steps: determining preset design parameters of an irregular brown corundum block and completing structural design of the complex; a single-layer metal corundum composite plate structure is designed, and a corresponding precision casting mold shell is machined; the method comprises the following steps: pretreating irregular brown fused alumina blocks, and assembling the irregular brown fused alumina blocks in a precision casting mold shell to form a single-layer pre-casting body; preheating the single-layer pre-casting body, casting molten steel, preserving heat, cooling, and demolding to obtain a single-layer metal corundum composite plate; preparing single-layer composite boards in batches, and arranging the single-layer composite boards in a casting sand box according to design parameters to form a composite pre-casting body; molten steel is secondarily smelted and cast into a complex pre-casting body, and the metal corundum complex is obtained after cooling and demolding. The irregular brown corundum blocks and the steel substrate are stably compounded through a secondary casting process, the problems that the irregular corundum blocks are not uniformly distributed and the positions are difficult to control are solved, and the structural uniformity, wear resistance and impact resistance of the compound are improved.

The application discloses a microwave communication material with low dielectric constant and low microwave loss which is prepared by mixing a base body and ceramic hollow microspheres, wherein the base body is an engineering plastic or a ceramic matrix composite base body, and the ceramic hollow microspheres are micron-sized mullite / quartz composite ceramic hollow microspheres; the material is used for manufacturing a 5G antenna cover, a radio frequency base material or a high-frequency PCB, and has the advantages that the micron-sized mullite / quartz composite ceramic hollow microspheres greatly reduce the overall density of the composite material, realize lightweight of the antenna cover and the radio frequency base material, and cooperate with forming processes such as segmented pressurization, step curing and slow cooling, so that the internal stress of the material is significantly reduced, the size stability of the high-frequency PCB and the antenna cover is greatly improved, and the problems of easy warping, deformation and poor precision of traditional inorganic fillers are solved.

This application discloses a high-temperature induction furnace, comprising: a cabinet, a feeding assembly, and a configuration assembly. A vacuum chamber is installed on the upper outer side of the cabinet, and a door is hinged to the front outer side of the vacuum chamber. A gas filling and discharging assembly is arranged on the left side of the vacuum chamber. A multi-hole viewing window is installed through the upper front side of the vacuum chamber. From left to right, the feeding assembly, an infrared temperature measurement system, and a radiation baffle are arranged sequentially on the upper rear side of the vacuum chamber. This application belongs to the field of metal material preparation technology. The purpose of this application is to solve the problem that the existing technology has significant functional limitations and cannot achieve auxiliary functions such as suction casting, slag analysis, and smelting distillation through configuration adjustment. The achieved technical effect is that it facilitates the assembly of a structure that can be adjusted to achieve auxiliary functions such as suction casting, slag analysis, and smelting distillation on the upper outer side of the multi-hole viewing window, thereby facilitating the meeting of complex material preparation and experimental needs and reducing functional limitations.

The utility model discloses a foldable automobile part assembling turnover frame which comprises a base frame, a first pressure-bearing column and a second pressure-bearing column which are oppositely arranged, the first pressure-bearing column is fixedly connected to the upper end of the base frame at intervals, the second pressure-bearing column is fixedly connected to the upper end of the base frame at intervals, and a sliding assembly is arranged between the first pressure-bearing column and the second pressure-bearing column. The sliding assembly is used for achieving placement of vehicle parts, and a folding assembly is arranged between the base frames. The utility model belongs to the technical field of automobile part assembling, and particularly relates to a foldable automobile part assembling turnover frame which is connected between base frames through rotating rods rotationally connected through rotating shafts in folding assemblies and can be folded when not used.

This invention belongs to the field of power inspection technology, specifically involving a method for inspection knowledge reasoning and analysis combining a large language model and a knowledge graph. The method includes: collecting multi-source, multi-modal document knowledge and data, integrating and preprocessing them; slicing the preprocessed document content and establishing a vector index; constructing a knowledge graph with a dual-level tree structure based on the documents with the established vector index; according to the dual-level tree structure knowledge graph, guided by power inspection needs, integrating keyword matching, semantic similarity calculation, and multi-hop retrieval technology of the knowledge graph to filter highly relevant search results and obtain a highly relevant cross-database knowledge set; and based on the highly relevant cross-database knowledge set, organizing and summarizing the search results through a large language model to generate a summary report. This invention, relying on a cross-source knowledge graph constructed using a large language model, achieves deep association and semantic mining of multi-modal data.

The invention relates to a set of primer combination for cherry variety identification and application thereof. The application of 26 SNP sites in a cherry genome in any one of the following steps: (1) preparing a cherry SNP site detection kit; (2) performing genetic typing on cherry germplasm resources or genetic populations; (3) constructing a DNA fingerprint spectrum of the cherry germplasm resource or variety; (4) identifying the variety of the cherry to be detected; the number of the 26 SNP sites is YTSNP01 to YTSNP26, and the number of the 26 SNP sites is 2. The cherry primer combination developed by the invention can be used for identifying the cherry variety to be detected, so that the operation of distinguishing the authenticity of the variety becomes accurate and convenient, and the primer combination spans the whole genome of the cherry, has a unique amplification stable point and is relatively strong in representativeness; the detection result of the method is stable and reliable, the operation is simple and rapid, and large-scale and standardized detection can be realized.