Abstract: A display system, a method for processing a trajectory point sequence, a storage medium, and a device are provided. The display system includes a display, a processor, and an input component. The processor is configured to control the display to display an interaction interface; receive a trajectory point sequence input by a user by means of the input component; generate a first content based on the trajectory point sequence and control the display to display the first content; recognize a first identification sequence included in the trajectory point sequence, to determine a first feature identifier corresponding to the first content; determine a cluster relationship of the first content according to the first feature identifier; generate a display region in a preset format according to the cluster relationship; and control the display to display the display region on the interaction interface.

Abstract: A centrally-mounted drive mechanism used for a power-assisted bicycle, and a power-assisted bicycle are provided. The centrally-mounted drive mechanism includes an outer casing, an electric motor, a planetary gear mechanism in a transmission connection with an output shaft of the electric motor, a bevel gear driving end, and a bevel gear driven end that meshes with the bevel gear driving end, said bevel gear driven end being connected to a crankset. The planetary gear mechanism includes a planetary gear and a planetary gear output bracket, and a bevel gear support base that is sleeved on the outer part of the planetary gear output bracket. A clutch is disposed between the planetary gear output bracket and the bevel gear support base, and a transmission connection is formed via the clutch between the planetary gear output bracket and the bevel gear support base.

Abstract: A halogenated all-solid-state battery material and a preparation method and application thereof are provided. A general chemical formula of the halogenated all-solid-state battery material is AxMyXzYb, wherein A contains Li or Na; M contains one or more of Mg, Al, Si, P, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Zr and Nb; X contains one or more of F, Cl, Br and I; Y contains O and/or S; and wherein 1?x?4, 0.5?y?1, 3?z?8, and 0?b?3. The material has good ionic conductivity, variable valence of M cation and deformability, which enables the material to meet the various requirements as a positive electrode, a negative electrode and a solid electrolyte of an all-solid-state battery and have excellent electrochemical performance.

Abstract: The present invention provides a WAPI trusted wireless local area network device, and relates to the field of WAPI local area network devices. The WAPI trusted wireless local area network device includes a data obtaining module, an information obtaining module, a key module, an encryption module, a data transmission module, a data receiving module, a decoding module, a storage module, a data check module, an alarm module, and a data output module. Different keys are generated based on a sending time of initial data, primary encryption is performed on the initial data by using a key, and then secondary encryption is performed based on a preset encryption protocol. The key has a self-updating ability according to the time, which can make an encryption manner of each group of initial data different, and improve the security of data transmission.

Abstract: The present invention provides a WAPI trusted wireless local area network device, and relates to the field of WAPI local area network devices. The WAPI trusted wireless local area network device includes a data obtaining module, an information obtaining module, a key module, an encryption module, a data transmission module, a data receiving module, a decoding module, a storage module, a data check module, an alarm module, and a data output module. Different keys are generated based on a sending time of initial data, primary encryption is performed on the initial data by using a key, and then secondary encryption is performed based on a preset encryption protocol. The key has a self-updating ability according to the time, which can make an encryption manner of each group of initial data different, and improve the security of data transmission.

Abstract: A display system, a method for processing a trajectory point sequence, a storage medium, and a device are provided. The display system includes a display, a processor, and an input component. The processor is configured to control the display to display an interaction interface; receive a trajectory point sequence input by a user by means of the input component; generate a first content based on the trajectory point sequence and control the display to display the first content; recognize a first identification sequence included in the trajectory point sequence, to determine a first feature identifier corresponding to the first content; determine a cluster relationship of the first content according to the first feature identifier; generate a display region in a preset format according to the cluster relationship; and control the display to display the display region on the interaction interface.

Abstract: The power distribution component is configured to connect to a power distribution box in a pluggable manner. A main body is provided with a first power terminal, a signal terminal, and a second power terminal that are arranged along a first direction. The first power terminal is configured to electrically connect to a first power busbar of the power distribution box, the signal terminal is configured to electrically connect to a signal busbar of the power distribution box, and the second power terminal is configured to electrically connect to a second power busbar of the power distribution box. Polarities of the first power terminal and the second power terminal are opposite. An end, facing away from the main body, of the mistake proofing structure is provided with an abutting surface, configured to abut against the signal busbar when the power distribution component is reversely inserted into the power distribution box.

Abstract: The embodiment of the present disclosure provides a data transmission method, a central control terminal, a mobile terminal and a data transmission system and relates to the field of data transmission for realizing data transmission in a multi-person conference in a network-free environment and improving the convenience of data transmission. The data transmission method is applied to a central control terminal and includes: reading an identification information of a mobile terminal in response to a near field communication signal from the mobile terminal; and determining whether the identification information belongs to a target identification set; performing Bluetooth connection and data transmission with the mobile terminal when the identification information belongs to the target identification set.

Abstract: A power conversion apparatus includes M first slots, wherein each of M first slots is electrically connected to an input side of one of N first bus bars, and a respective first slot of the M first slots is electrically connected to a first module that can supply an alternating current or a direct current to the first bus bar electrically connected to the first slot. The apparatus further includes P second slots, wherein each of the P second slots is electrically connected between an output side of one of the N first bus bars and an input side of one of second bus bars, and a respective second slot of the P second slots is electrically connected to a second module that converts an alternating current into a direct current or that converts a direct current into a direct current.

Abstract: A reflective sheet and a manufacturing method thereof, a backlight module, and a display device are provided, the reflective sheet includes: a partition structure provided on a side surface of the reflective sheet, where the reflective sheet includes partition structures arranged on a side surface of the reflective sheet, the partition structures bend the side surface of the reflective sheet at a preset slope, and the partition structures include a plurality of dotted lines arranged horizontally or vertically in parallel.

Abstract: A scissors-type jack includes a jack body, a gear box, a motor and a battery pack. Upper ends of lower supporting arms of the jack body are respectively hinged to lower ends of upper supporting arms of the jack body through hinge shafts. The gear box includes a base, a housing, and first and second gears. The base is fixedly mounted with one hinge shaft. A gear transmission shaft of the first gear is rotatably arranged on the base and meshed with the second gear. The second gear is connected to a screw rod of the jack body. The motor is mounted on a side of the base, and a motor gear shaft penetrates through the base and is meshed with the first gear. The control board is disposed on an outer side of the battery pack and electrically connected to the battery pack and the motor.

Abstract: This application discloses power distribution equipment and a power distribution system. The power distribution equipment includes a power distribution device and a power distribution box, where the power distribution device is capable of being inserted into and removed from the power distribution box; a connection port is disposed at a first end of the power distribution device, where the connection port is used to connect a power cable or a user load line; a power connection terminal is disposed at a second end of the power distribution device, where the power connection terminal is used to plug into a busbar inside the power distribution box; and the connection port and the power connection terminal are connected inside the power distribution device. A design in which the power distribution device is capable of being inserted into and removed from the power distribution box simplifies operation and improves convenience.

Abstract: Disclosed is a transient-state THz spectrometer applied to cells and biological macromolecules, including a femtosecond laser amplifier. A femtosecond laser output by the femtosecond laser amplifier is divided into two beams of pump light and probe light after passing through a beam splitter of which a transmission-reflection ratio is 7:3, the pump light is focused to irradiate a gap between electrodes of a nonlinear photoconductive antenna and emit a terahertz wave after successively passing through a half wave plate, a silver-plated reflector and a first lens, the terahertz wave forms a terahertz wave collineation after successively passing through a second lens, a slab waveguide, a third lens and an ITO film, the terahertz wave collineation and the probe light form a probe light collineation of wavefront tilt which is perpendicularly incident on a ZnTe crystal and detected and recorded by using a CCD camera.

Abstract: Disclosed is a transient-state THz spectrometer applied to cells and biological macromolecules, including a femtosecond laser amplifier. A femtosecond laser output by the femtosecond laser amplifier is divided into two beams of pump light and probe light after passing through a beam splitter of which a transmission-reflection ratio is 7:3, the pump light is focused to irradiate a gap between electrodes of a nonlinear photoconductive antenna and emit a terahertz wave after successively passing through a half wave plate, a silver-plated reflector and a first lens, the terahertz wave forms a terahertz wave collineation after successively passing through a second lens, a slab waveguide, a third lens and an ITO film, the terahertz wave collineation and the probe light form a probe light collineation of wavefront tilt which is perpendicularly incident on a ZnTe crystal and detected and recorded by using a CCD camera.

Abstract: A centrally-mounted drive mechanism used for a power-assisted bicycle, and a power-assisted bicycle. The centrally-mounted drive mechanism comprises an outer casing (1), an electric motor (2), a planetary gear mechanism in a transmission connection with an output shaft of the electric motor (2), a bevel gear driving end (9), and a bevel gear driven end (10) that meshes with the bevel gear driving end (9), said bevel gear driven end (10) being connected to a crankset (13). The planetary gear mechanism comprises a planetary gear (4) and a planetary gear output bracket (5), and a bevel gear support base (8) that is sleeved on the outer part of the planetary gear output bracket (5). A clutch (6) is disposed between the planetary gear output bracket (5) and the bevel gear support base (8), and a transmission connection is formed by means of the clutch (6) between the planetary gear output bracket (5) and the bevel gear support base (8).

Abstract: Provided in the present invention a method for evaluating the mixing effect of a CO2 oil-displacing and mixing agent, characterized in measuring the volume expansion of a CO2-oil interface when pressure is gradually increased, drawing a mixed-phase percentage-pressure curve (?-P curve), and evaluating the mixing effect of the CO2 oil-displacing and mixing agent by means of comparing the characteristics of the ?-P curve. Further provided in the present invention is a method for initially screening a CO2 oil-displacing and mixing agent.

Abstract: A single-impulse panoramic photoacoustic computed tomography (SIP-PACT) system for small-animal whole-body imaging is disclosed. In addition, a dual-speed of sound image universal back-projection reconstruction method is disclosed. Further, a PACT system for imaging a breast of a subject is disclosed.

Abstract: The power distribution component is configured to connect to a power distribution box in a pluggable manner. A main body is provided with a first power terminal, a signal terminal, and a second power terminal that are arranged along a first direction. The first power terminal is configured to electrically connect to a first power busbar of the power distribution box, the signal terminal is configured to electrically connect to a signal busbar of the power distribution box, and the second power terminal is configured to electrically connect to a second power busbar of the power distribution box. Polarities of the first power terminal and the second power terminal are opposite. An end, facing away from the main body, of the mistake proofing structure is provided with an abutting surface, configured to abut against the signal busbar when the power distribution component is reversely inserted into the power distribution box.

Abstract: A reflective sheet and a manufacturing method thereof, a backlight module, and a display device are provided, the reflective sheet includes: a partition structure provided on a side surface of the reflective sheet, where the reflective sheet includes partition structures arranged on a side surface of the reflective sheet, the partition structures bend the side surface of the reflective sheet at a preset slope, and the partition structures include a plurality of dotted lines arranged horizontally or vertically in parallel.