193results about How to "Avoid crowding" patented technology

The invention discloses a BIM-based indoor decoration simulation display method and system, and relates to the technical field of indoor decoration, and the system automatically calculates an optimal furniture placement position through an algorithm by using modeling information in a BIM technology. The algorithm not only considers the distance between the furniture and collision detection, but also comprehensively considers the actual demand of the indoor space, so as to ensure the reasonable utilization and functionality of the indoor space. The intelligent layout algorithm can avoid a crowded or disordered layout condition, and ensures that the indoor space is full of vitality and not crowded by optimizing the placement position and the space utilization rate of furniture. The overall attractiveness and comfort of the space can be improved, and residents can live and work more pleasantly. The system simulates reflection, refraction and diffuse reflection processes of light on the surface of an indoor decoration object by using a light tracing technology. The system carries out detailed analysis on illumination conditions of different areas.

The invention discloses an intelligent safety management method and system for a highway service area, and the method comprises the steps: recognizing the number of vehicles in the service area, and obtaining historical flow data and analysis data corresponding to the historical flow data; identifying the types of vehicles entering the service area, obtaining parking space data of parking areas corresponding to different types of vehicles, and guiding the vehicles to parking spots; safety monitoring is carried out on the vehicles of the focus type in the recognized vehicle types; and pushing the data to a manager. Through accurate identification of the number and types of vehicles entering a service area and combination of historical vehicle conditions of the service area, dynamic analysis of vehicle flow data can be realized, optimal distribution of parking resources in advance is realized, congestion caused by too many vehicles is avoided, and meanwhile, real-time monitoring and early warning of key vehicle types are realized, so that the service area is more intelligent. Safety accidents can be found in time at the beginning, and expansion of the accidents is avoided.

The invention relates to the technical field of submarine cables, in particular to an umbilical cable and an umbilical cable punching method. The umbilical cable comprises an inner sheath, an inner layer function unit group, an outer sheath, an outer layer function unit group and an armor layer. The inner layer function unit group is arranged in the inner sheath, the outer layer function unit group is arranged between the inner sheath and the outer sheath, the armor layer comprises an armor sheath and a metal armor, and the metal armor is arranged between the armor sheath and the outer sheath; the outer sheath is provided with a plurality of first water inlet holes at intervals along the length direction, and the armored sheath is provided with a plurality of second water inlet holes at intervals along the length direction. According to the umbilical cable provided by the invention, the plurality of first water inlet holes are formed in the outer sheath at intervals, and the plurality of second water inlet holes are formed in the armored sheath along the length direction at intervals, so that seawater can enter a space in which the outer-layer functional unit group is located through the second water inlet holes and the first water inlet holes in sequence; friction torque between the outer layer function unit group and the outer sheath can be reduced, and birdcage accidents caused by torque accumulation can be avoided.

The invention discloses an intelligent college entrance examination voluntary adaptation method and system, relates to the technical field of education examination assistance, and aims to solve the problems of information asymmetry, individual difference of examinees and voluntary filling efficiency and accuracy during voluntary filling of the examinees. According to the method, advanced technologies such as big data analysis and an artificial intelligence algorithm are integrated, a personalized and accurate volunteer filling scheme is provided for examinees, and the scientificity and rationality of volunteer selection are remarkably improved. The system automatically processes mass data, relieves the burden of examinees, updates information in real time, and ensures the accuracy of decision basis. And meanwhile, the system ensures fairness and transparency, the educational resource distribution is optimized, and the admission satisfaction is improved. Generally speaking, the patent not only renovates a traditional volunteer filling mode and improves efficiency and satisfaction, but also promotes educational fairness through a scientific method and realizes effective adaptation between examinees and colleges.

The invention discloses a method for pushing data by combining a microfluidic system with a large model. The method comprises the following steps: step 1, carrying out diversity evaluation in a rearrangement stage of intelligent recommendation; and step 2, based on rule constraint, a heuristic algorithm or a depth model, performing intelligent recommendation rearrangement according to a diversity evaluation result, and performing accurate control by adopting a micro-fluidic chip built-in rule diversity scattering algorithm. Diversity regulation and control are carried out in the final link rearrangement stage of intelligent recommendation, diversity definition is matched with diversity perception of a user, various rule diversity scattering algorithms are built in by adopting a micro-fluidic chip technology, accurate control is carried out through a chip, damage to an original sequence is reduced, correlation can be reserved to the maximum extent, and the accuracy of recommendation is improved. The phenomenon that contents with the same attribute are gathered is avoided, and the use efficiency is high.

The utility model relates to the technical field of foil rolling mills, in particular to a foil breaking device of an aluminum alloy foil rolling mill, a foil breaking mechanism comprises an air cylinder, a moving frame, a foil breaking knife and a sliding rail assembly, the air cylinder is arranged in the middle of the front side of a cross beam, a hinge seat is arranged on the lower portion of the rear side of the moving frame, and the end of a piston rod of the air cylinder is connected with the hinge seat. The foil breaking knife is arranged on the lower portion of the front side of the movable frame. The sliding rail assembly comprises a linear guide rail and a guide rail sliding block, the linear guide rail is arranged on the cross beam, and the guide rail sliding block is arranged on the movable frame and is in sliding connection with the linear guide rail; fixing frames are arranged on the inner sides of the two supporting columns, a protection plate located on the outer side of the foil breaking knife is arranged between the two fixing frames, and a safety assembly is arranged on the cross beam. According to the utility model, the aluminum foil can be cut off at the aluminum foil inlet of the aluminum foil mill, so that the broken aluminum foil is prevented from being extruded into the roll gap of the working roll under the action of inertia, and the phenomenon that aluminum foil wastes are heated and fired under high-speed friction is avoided.

The invention provides an airport passenger travel data processing method and device based on artificial intelligence, and relates to the field of data processing. The method comprises the following steps: responding to a dining request input by a passenger through user equipment; boarding duration, boarding gate position information and carry-on luggage information of passengers are obtained; according to the boarding duration and the carry-on luggage information, determining the dining duration of the passenger; acquiring current position information of the passenger; acquiring real-time meal delivery duration, real-time queuing duration and dining duration corresponding to the dining place in the preset range; determining the dining duration based on the current position information and the real-time serving duration, the real-time queuing duration and the dining duration corresponding to the dining place; according to the dining duration, screening from the plurality of dining durations to obtain a first dining duration meeting a preset condition; determining a first dining place corresponding to the first dining duration; and sending the first dining place to the user equipment. By implementing the technical scheme, the problem of reasonable arrangement of travel time of airport passengers can be solved.

The invention discloses a communication method and device for marine very high frequency equipment, electronic equipment and a storage medium. The method comprises the following steps: determining an original voice signal, performing signal processing on the original voice signal, and determining semantic text data; performing data processing on the semantic text data, and determining effective text data in the semantic text data; generating an effective text signal corresponding to the effective text data, and transmitting the effective text signal to a voice receiving end through a target communication channel; and the voice receiving end determines a target communication voice based on the effective text signal. Based on the technical scheme of the invention, the communication quality of the marine very high frequency equipment can be effectively improved.

A space transcriptome in-situ sequencing method for tissue slices relates to the field of gene sequencing, and comprises the following steps: 1) capturing mRNA in situ; 2) carrying out reverse transcription to obtain cDNA; (3) removing tissues and retaining cDNA (complementary deoxyribonucleic acid); 4) carrying out cDNA probe hybridization; 5) performing in-situ amplification; 6) decoding and sequencing the fluorescent probe; and 7) cleaning the probe, and sequencing for multiple rounds. According to the invention, RNA is captured in situ and is reversely transcribed into cDNA, nucleic acid imprinting transfer is realized, background interference is removed, the problem of RNA degradation is solved, and multiple rounds of hybridization are allowed to increase the detection flux. The nucleic acid sequence is covalently bound with a slide to prevent a signal point from shifting and falling off. A DNA coding padlock probe is used for identifying genes, amplifying and amplifying signals, and gene expression is revealed through sequencing and decoding. After the probe is cleaned, the probe is replaced for hybridization amplification, so that the flux is improved, and space crowding and fluorescence signal crowding are reduced.

The invention discloses a PN junction gate gallium oxide-based MODFET device and a preparation method thereof, the PN junction gate gallium oxide-based MODFET device sequentially comprises a substrate, a channel layer, a spacing layer, a delta doping layer and a barrier layer, and further comprises a first ohmic contact region arranged on one side of the end surfaces of the spacing layer, the delta doping layer and the barrier layer; the second ohmic contact region is arranged on the other side of the end surfaces of the spacing layer, the delta doping layer and the barrier layer; the first ohmic contact region and the second ohmic contact region are higher than the upper surface of the barrier layer; the PN junction structure is arranged on a part of the surface of the barrier layer; the dielectric layer structure is arranged above the barrier layer, the PN junction structure, the first ohmic contact region and the second ohmic contact region in a crossing manner; a source electrode disposed on the first ohmic contact region; the drain electrode is arranged on the second ohmic contact region; the gate electrode is arranged on the PN junction structure and the dielectric layer structure, and the upper end of the gate electrode extends towards the two ends of the dielectric layer structure located above the PN junction structure to form a field plate structure. The reliability of the device can be improved.

The invention belongs to the technical field of electrochemistry, and particularly relates to an artificial solid electrolyte interface film based on MXene quantum dots and a preparation method and application thereof.The preparation method includes the steps that an MAX phase is etched with concentrated hydrochloric acid to obtain MXene nanosheets, then the MXene quantum dots are obtained through freeze drying assisted by a hydrothermal method or an ultrasonic treatment method, and after the MXene quantum dots are mixed with a binder and a solvent, the MXene quantum dots are prepared into the artificial solid electrolyte interface film based on the MXene quantum dots. And coating and evaporating the solvent to obtain the artificial solid electrolyte interfacial film based on the MXene quantum dots. The reason that the MXene quantum dots are adopted as the artificial solid electrolyte interfacial film is that the surfaces of the MXene quantum dots contain a large number of lithium-loving groups, and the MXene quantum dots can be used as seed sites to induce a uniform lithium deposition process, so that the growth of lithium dendrites is effectively inhibited, and the coulombic efficiency of the lithium metal battery is improved.

The utility model discloses a traction rope far-end fixing structure, an insertion part and an endoscope, and relates to the technical field of medical instruments. The traction rope far-end fixing structure is applied to an endoscope and comprises a fixing groove, the fixing groove is used for containing the far end of a traction rope, the fixing groove is fixedly connected with the far end of the traction rope, and the fixing groove is located on the outer surface of the tail section snake bone of an active bending section. The fixing groove extends from the near end of the tail section of snake bone to the far end of the tail section of snake bone; or the fixing groove is positioned on the outer surface of the lens seat and extends from the near end of the lens seat to the far end of the lens seat. The traction rope far-end fixing structure has the advantages that the tail end of the traction rope is easy to position, the welding operation difficulty of the tail end of the traction rope and the fixing groove is reduced, the welding reliability of the tail end of the traction rope and the fixing groove is improved, and burrs at welding spots are easy to polish.

The invention discloses an elevator passenger traffic planning method and device, and aims to solve the problems that passengers are crowded and the operation efficiency is low in the peak period of an elevator. In the aspect of equipment, the elevator control calculation processing equipment covers a display module, a voice module and other modules and various interfaces, can cooperate with a group control system and other systems, realizes the functions of people flow data acquisition, elevator dispatching optimization, station planning and display and the like, and is provided with a self-adaptive lift car grid division and background management module. According to the method, an intelligent indication system is designed, dynamic guidance is provided for passengers in combination with floor areas and personnel distribution, communication linkage of all the systems is constructed, the indication system has real-time interactivity, and a display module is arranged outside a hall to guide the elevator calling passengers to queue up. The elevator running efficiency can be remarkably improved, the elevator taking experience of passengers is optimized, and the method is suitable for elevator systems of various high-rise buildings such as commercial mansions and residential buildings and has wide application prospects and practical value.

The invention discloses a multi-robot elevator passing method and a multi-robot cross-floor passing method. The multi-robot elevator passing method comprises the following steps: judging whether an elevator has an occupation point or not; if not, setting an occupying point in the elevator, and binding the robot with the elevator; the robot enters the elevator, and after the robot passes through the elevator to cross floors and leaves the elevator, the occupied points in the elevator are removed, and the robot is unbound with the elevator; if yes, the robot waits outside the elevator; according to the technical scheme, idle and waste of elevator resources are effectively avoided, reasonable allocation and use of the elevator resources are ensured, and the passing efficiency of the multi-robot elevator is improved; the method is easy to implement, does not need to perform complex data interaction with an elevator system or other equipment, and does not depend on the number or type of robots, so that the method is suitable for elevator systems of various scales and different application scenes.

The utility model relates to a kind of safety protection door matched with maintenance vehicle guide discharge chute, and the front part of traction chassis is equipped with mixing box, the left lower part of mixing box is equipped with discharge chute, the left part of discharge chute is hinged guide groove, left side plate is equipped in the left side of mixing box, and rectangular through-hole is opened in the lower part of left side plate;Door panel is placed in the rectangular through-hole opened in the left side plate, racket-shaped through-hole is opened in the lower part of door panel, tool lock is equipped in the racket-shaped through-hole opened in the door panel, and handle is hinged in the left part of door panel.The utility model has beneficial effects: it is convenient to open and close door panel.

The utility model relates to the technical field of power electronic converters, and discloses a grid-connected and off-grid switching device and an energy storage system. The mounting plate is arranged in the mounting cavity; the conducting bar is detachably connected with the mounting plate, the conducting bar is provided with a plurality of connecting platforms, the distance between the connecting platforms and the mounting plate is different, and the connecting platforms are suitable for being fixedly connected with different cables correspondingly. According to the grid-connected and off-grid switching device, the conducting bars are arranged, so that cables in the grid-connected and off-grid switching device are collected and arranged, lines are clear, maintenance and replacement of the cables are facilitated, further, the conducting bars are arranged to be provided with connecting platforms with different heights, the cables are fixed in a layered mode, the height space is fully utilized, and the working efficiency is improved. Cables arranged on the same layer are prevented from being crowded, space is fully utilized, and lines of the cables are clearer.

The invention relates to a sulfur isotope detection device system and method for organic sulfides in natural gas, impurities in the natural gas are removed through a preset chemical trap and a hydrogen sulfide adsorption trap coupled with a heating device for use, and the effective enrichment space of the organic sulfides in a cold trap is prevented from being occupied; two stages of cold traps are adopted, so that organic sulfides can be effectively enriched and detected and analyzed; the sulfur isotope detection device system is high in reliability, high in automation degree and easy to operate, sulfur isotope detection and analysis are carried out by combining a chromatography-stable isotope mass spectrometer, and a new way is provided for researching causes, sources and generation mechanisms of sulfur-containing natural gas.

The invention discloses a series-parallel variable flux permanent magnet memory motor, which comprises a stator, an armature winding, a hybrid permanent magnet rotor and a non-magnetic rotating shaft, the stator comprises a plurality of stator yokes and iron core teeth arranged at the end parts of the stator yokes, armature windings are wound on the iron core teeth, the plurality of iron core teeth are encircled to form a circular hollow area, the hybrid permanent magnet rotor is arranged in the hollow area, the non-magnetic rotating shaft is arranged at the central position of the hollow area, and the hybrid permanent magnet rotor rotates around the non-magnetic rotating shaft. The problem that the size design of the permanent magnet is limited by the spatial position is effectively solved, the demagnetization resistance of the low-coercive-force permanent magnet and the flux weakening capacity of the motor are improved, multi-stage flux adjustment under different working conditions can be achieved, and the magnetic adjustment range is wider.

The invention discloses a device for detecting the spatial position accuracy of a five-axis precision device, and relates to the technical field of numerically controlled machine tools. The device comprises a device body and an operating table. The operating table is fixedly mounted inside the device body. A push rod, a movable frame and a sleeve are provided. The sleeve can be pressed so that the sleeve compresses a No. 1 spring and drives a plurality of push rods on the outside to move. The plurality of push rods respectively push the corresponding movable frames to move, and the movable frames drive the corresponding positioning blocks to move. After the sleeve is compressed to the limit position, the mounting seat is placed on the top of the operating table, and then the sleeve is loosened so that the sleeve drives the plurality of movable frames to reset under the elastic force of the No. 1 spring, so that the positioning blocks on the movable frames are tightly attached to the outer wall of the operating table. During this period, the positioning blocks slowly move to compress the corresponding No. 3 spring, so that the installation between the mounting seat and the operating table is more secure. In the above operation, the positioning blocks have movable space and can be applied to operating tables of different sizes, and have good versatility.

The present invention discloses an intelligent bus stop safety device for ensuring disabled people get on and off the bus, comprising a platform, two protective doors, and two railings arranged on the platform, wherein a boarding area is formed between the two railings, the two protective doors can completely block one side of the boarding area, and also comprises an isolation fence and an infrared sensing module for controlling the two protective doors to be opened or closed at the same time, the isolation fence divides the boarding area into an entry area for normal people to queue and a fast area for disabled people to queue, a platform track is arranged in the fast area, a circulating tread rail is arranged on the platform track, the area where the circulating tread rail is located is a passing part, the waiting part is located in front of the passing part and close to the two protective doors, and the queuing part is located at the rear of the passing part and away from the two protective doors. The purpose of the present invention is to provide an intelligent bus stop safety device for ensuring disabled people get on and off the bus, which can not only protect disabled people when they get on and off the bus, but also increase the speed when disabled people get on and off the bus.

The invention provides a parking space retrieval system based on machine vision. The parking space retrieval system comprises a parking lot, the parking lot is connected with a supporting column, the supporting column is connected with a rotating mechanism, the rotating mechanism is connected with a C-shaped plate, the C-shaped plate is connected with a camera, the camera is connected with the rotating mechanism, and the camera is connected with the parking space retrieval system. The parking space retrieval system comprises a data acquisition module, a model establishment module, a background screening module, a vehicle distribution calculation module, a parking space judgment module, a route planning module, a signal sending module and a client module. Model training is carried out through customized image recognition, information such as behavior characteristics of a vehicle collected by a camera is processed and analyzed, whether the vehicle is parked in a parking space at present is judged, data is transmitted to a client module, the position of an empty parking space can be mastered at the first time when the vehicle enters a parking lot, and the parking space is more accurate. A large amount of time is saved to a certain extent, and congestion caused by the fact that vehicles find parking spaces on the road surface is avoided.

The invention provides a data access method and device, terminal equipment and a storage medium, and is suitable for the technical field of data processing, and the method comprises the following steps: obtaining data access request information; determining account period information of data to be accessed according to the data access request information; judging whether the account period information of the to-be-accessed data is within a preset account period range or not; if yes, taking the memory database as a data access range; if not, taking the basic database as a data access range; and accessing to-be-accessed data according to the data access request information and the data access range. According to the method and the device, under the condition of limited software platform construction cost, the memory database and the basic database are used for separating the data of different account periods, so that the data access efficiency is improved, and mutual interference among different databases is avoided.

The invention discloses a variable-temperature germination accelerating box for tissue culture of Hainan herba fibraureae recisae and belongs to the technical field of germination accelerating boxes, the variable-temperature germination accelerating box for tissue culture of Hainan herba fibraureae recisae comprises a box body, a plurality of heat dissipation holes are formed in the two sides of the box body in a penetrating mode and are symmetrically arranged, and supporting legs are fixedly connected to the corners of the surface of the bottom end of the box body. A germination promoting mechanism is arranged in the box body; the germination promoting mechanism comprises two sliding rails, the two sliding rails are fixedly connected with the interior of the box body, the sliding rails limit the moving plate, the two ends of the cross-shaped sliding plate are slidably connected with limiting frames in a penetrating mode, and the limiting frames are fixedly connected with the box body. By adopting the germination promoting mechanism, the air flowability in the germination accelerating box can be enhanced, air retention in a local area is prevented, more uniform exchange of gases such as oxygen and carbon dioxide in a culture environment is ensured, and seed roots can obtain more uniform water and nutrient supply.

The utility model relates to a kind of queuing device for children's playground equipment, including base, and the base is provided with queuing mechanism, and the queuing mechanism is provided with sunshade blowing assembly and monitoring mechanism, and the queuing mechanism includes first mounting plate and second mounting plate, and the first mounting plate and second mounting plate are fixedly installed on base, and the same rotating rod is rotatably connected between the first mounting plate and second mounting plate, and the rotating rod is fixed with baffle rod. By being provided with queuing mechanism, physical separation provides a clear queuing path for children, can effectively regulate queue, eliminate crowding and queue-jumping, by being provided with monitoring mechanism, camera and external display screen linkage are adopted, and children queuing live broadcast is synchronously played to outside, which greatly improves the transparency degree of waiting process, and parents outside intuitively master the situation of children, save the annoyance of tiptoeing and looking around, and waiting feels more comfortable.

The application discloses an internet hospital hierarchical diagnosis and treatment and resource scheduling method and system, the method comprises the following steps: in response to the diagnosis and treatment request sent by the user, obtaining the diagnosis and treatment data containing the patient's complaint information; inputting the diagnosis and treatment data into the disease assessment model for feature extraction, and outputting a feature vector representing the patient's disease state; the feature vector at least includes a first dimension parameter representing the emergency degree of the disease and a second dimension parameter representing the complexity of the disease; based on the feature vector, determine the target resource node in the hierarchical medical resource database; according to the target resource node, generate a resource scheduling instruction, and establish a communication link between the user terminal and the corresponding server of the target resource node. The application introduces a two-dimensional evaluation system of emergency degree and complexity, combines a dynamic threshold adjustment mechanism based on supply and demand prediction, and significantly improves the utilization efficiency of medical resources and the accuracy of diagnosis matching.

The utility model belongs to the technical field of cable glanded boxes, and particularly relates to a cable glanded box structure installed below a floor of a power distribution room of an oil and gas station. The cable gland box facility is additionally arranged at the bottom of the distribution room floor terrace construction beam, so that the cable gland can be reasonably and reliably installed, the congestion of cable arrangement and installation is avoided, the problem of gland installation collision is reduced, and the weight of the cable suspension part of the distribution cabinet can be shared and borne; bearing deformation of the power distribution cabinet bottom plate in the power distribution room can be effectively prevented; the cable gland box structure is installed right below a reserved cable hole in a floor of a distribution room of an oil and gas station, and can effectively prevent dangerous gas generated by volatilization of an oil and gas medium from entering the distribution room from the reserved cable hole in the floor to cause hidden dangers of explosion or fire. The device is simple in structure, convenient to construct, suitable for various environments, and capable of saving manpower, material resources and cost of power distribution room cable construction.

The utility model discloses a lamp filament and a lamp using the same. The lamp filament comprises a plurality of light-emitting light source modules, a first substrate and a second substrate. The front face of the first substrate and the front face of the second substrate are each provided with at least one light-emitting source module in the length direction. The back face of the first substrate and the back face of the second substrate are attached to form a lamp filament body together. According to the arrangement, line congestion caused by the fact that the conducting circuit is only arranged on one side of the substrate is avoided, meanwhile, the situation that the substrate is widened for laying more conducting circuits is avoided, and the width of the substrate can be small enough; therefore, the lamp filament is more beautiful, and can be made into more shapes in the use process.

The invention provides a washing machine. The washing machine comprises an outer barrel, a first washing mechanism and a second washing mechanism; the first washing mechanism comprises a first inner barrel and a first washing piece, and the second washing mechanism comprises a second inner barrel and a second washing piece; the first washing piece and the second washing piece are movably arranged in the first inner cylinder and the second inner cylinder respectively; the first inner cylinder and the second inner cylinder are not communicated with each other and are communicated with the outer cylinder; when the first washing mechanism and the second washing mechanism are in the independent washing state, the first inner drum and the second inner drum are static, and the first washing piece and the second washing piece move independently to wash clothes in the first inner drum and the second inner drum respectively; when the first washing mechanism and the second washing mechanism are in a synchronous dewatering and drainage state, the first washing piece and the second washing piece are static, the first inner cylinder and the second inner cylinder rotate synchronously, and water in the first inner cylinder and the second inner cylinder is discharged into the outer cylinder and is discharged through a drainage port of the outer cylinder; healthy partitioned washing is achieved, and the cleaning effect of small clothes is remarkably improved.

The invention discloses a stack space static distribution method in a battery management system and the battery management system, relates to the technical field of battery management, and aims to solve the problem of shared stack peak value superposition caused by sudden fault trigger diagnosis deep call under static stack division and periodic monitoring interruption concurrence. A stack description table is generated in a compiling and linking stage, and a stack pointer is redirected according to an execution entity during operation, so that monitoring type and diagnosis type execution streams are operated on a physically isolated stack space, the stack expansion of one execution stream is prevented from occupying the stack frame of the other execution stream, and the stack overflow risk caused by instantaneous resource conflict is weakened from the source; a stack switching mechanism of an interrupt preamble code is introduced, so that an interrupt service routine is executed on a pre-planned interrupt stack storage area, and when the interrupt exits, the interrupt service routine is recovered to a stack to which an interrupted execution stream belongs, so that interrupt stack occupation is converted from scattered superposition to task stacks to centralized planning to interrupt stacks.