Abstract: A parameter backup method includes monitoring parameter information of an air conditioning unit in real time, and, in response to determining, according to the parameter information, that a key parameter of the air conditioning unit changes, backing up at least the key parameter to obtain backup data.

Abstract: Disclosed is a method and a device for online measurement of a binocular laser system. The method may include: mounting a workpiece and a measuring block, such that lasers emitted from a first and a second laser instrument are projected onto two measuring surfaces of the measuring block, and projection positions of the lasers emitted from the first and second laser instruments are maintained unchanged; and performing at least one round of cyclic operations until a forming process of the workpiece ends. The cyclic operations may include: acquiring a plurality of pieces of point cloud data, and separating point cloud data to obtain a first, a second, a third, and a fourth point cloud data set; generating a rigid matching relationship; generating a coordinate system relationship; converting the fourth point cloud data set into a fifth point cloud data set; and generating an intermediate shape and size of the workpiece.

Abstract: A remote debugging method includes determining one or more detection stages in a trial operation process of an air conditioning unit. Each of the one or more detection stages is provided with a corresponding data acquisition rule. The method further includes acquiring key point data of each of the one or more detection stages according to a data acquisition rule corresponding to the detection stage, and, in response to ending of the trial operation process of the air conditioning unit, determining a trial operation result of the air conditioning unit, and uploading data according to the trial operation result.

Abstract: A space recommendation method based on an air conditioning system includes: obtaining a user space usage request that includes demand information of a user for a space; and determining a current energy consumption amount of each of a plurality of air conditioning units of the air conditioning system. Each of the plurality of air conditioning units includes a plurality of air conditioning terminal devices, the plurality of air conditioning terminal devices is respectively arranged in a plurality of spaces; determining a candidate space based on the current energy consumption amount; and recommending an available space based on the demand information and the candidate space.

Abstract: A jujube harvesting apparatus with adjustable suction vector includes: an air duct assembly, where one end of which is arranged with an air duct inlet; a wind power device arranged on one end of the air duct assembly deviating from the air duct inlet and connected to the air duct assembly, where the wind power device is used for generating wind power; an ionization device arranged on the air duct assembly and positioned between the air duct inlet and the wind power device, where the ionization device is used for ionizing air in the air duct assembly to generate plasma; a magnetic field generating device including a first strip-shaped permanent magnet and a second strip-shaped permanent magnet; and a suction vector adjustable device including two moving assemblies, two rotating assemblies, an electromagnetic sensor component, and a control module.

Abstract: The present disclosure discloses a display method and a system. The display method is performed by a first device and includes: sending a first content to a second device, where the first device is in a first display mode, and the first display mode includes at least one first display area determined in a first manner; obtaining a display instruction of a second content; and switching to a second display mode and sending the second content to the second device. The second device is configured to display the first content of the first display area. The second display mode includes a second display area determined in a second manner. The second device is configured to display the second content of the second display area. The first manner and the second manner are based on different display hardware information for determining display areas.

Abstract: AR glasses includes a display device, a color combination device (20), a projection lens (50), and a waveguide element (60). The display device includes multiple display screens. The display screens are respectively arranged around the color combination device (20). The color combination device (20) can be used for fusing the monochromatic colors emitted by the display screens to form an image. Light that constitutes the image enters user's eyes after being transmitted through the projection lens (50) and the waveguide element (60). The AR glasses have a compact structure and light weight to be worn for a long time.

Abstract: A control method, an air conditioner, and a computer readable storage medium. The control method is used for the air conditioner, and includes obtaining abnormal weather information of a region where the air conditioner is located, determining operating parameters of a draught fan of an outdoor unit in the air conditioner according to the abnormal weather information, and controlling the draught fan of the outdoor unit to operate according to the operating parameters.

Abstract: A compressor assembly includes a first compressor, a second compressor, a first oil separator, a second oil separator, a storage container, a gas-liquid separator, a liquid balance pipe, and a gas balance pipe. The first compressor has a first air return port, and the second compressor has a second air return port. The first oil separator has a first oil outlet, the second oil separator has a second oil outlet, and the storage container has a refrigerant inlet, the first oil outlet and the second oil outlet both being in communication with the refrigerant inlet. The gas-liquid separator has a first gas separation outlet, a second gas separation outlet, a first oil return hole and a second oil return hole, the first gas separation outlet and the first oil return hole both being in communication with the first gas return port.

Abstract: A request processing method and apparatus, a device, and a non-transitory readable storage medium. When modifying reflink data, in the present application, first reading continuous data including currently modified data from a disk to a cache, then modifying corresponding reflink data in the cache, but not modifying other data in the continuous data, and then allocating a new address for the modified new reflink data in the disk, and mapping the cache address of the new reflink data to the new address, so as to store the new reflink data in the new address, and at the same time reducing the reference count of the corresponding reflink data in the reflink shared tree by one. In this solution, there is only one read operation and one write operation for the disk, so the problem of write amplification is reduced.

Abstract: A display terminal adjustment method is provided, this method includes: obtaining image data of an image to be displayed and screen data of the display terminal; obtaining a first adjustment ratio and a second adjustment ratio according to an image size in the image data and a screen size in the screen data; adjusting the image to be displayed to obtain a first target image according to the first adjustment ratio, and adjusting the image to be displayed to obtain a second target image according to the second adjustment ratio; and adjusting the display terminal to be in a target display mode according to the first target image and the second target image, according to this method, a size of a blank area of the display terminal is reduced, and an utilization rate of the screen of the display terminal is improved.

Abstract: A solar cell structure, a method for preparing a solar cell, and a mask plate. The solar cell structure includes a substrate, a first doped layer, and a plurality of first transparent conductive layers. The first doped layer is disposed on a surface of the substrate. The plurality of first transparent conductive layers are spaced apart from each other and disposed on a surface of the first doped layer away from the substrate. A region to be cut of the solar cell structure is located between two adjacent first transparent conductive layers.

Abstract: The present disclosure relates to a heterojunction cell and a manufacturing method thereof, a photovoltaic module and a photovoltaic system. The heterojunction cell includes: a substrate; a first intrinsic silicon layer, a first doped layer, and a first transparent conductive layer that are sequentially stacked on a first surface; and a second intrinsic silicon layer, a second doped layer, and a second transparent conductive layer that are sequentially stacked on a second surface. A doping type of the first doped layer is opposite to a doping type of the second doped layer. The first transparent conductive layer covers at least part of the first surface. The second transparent conductive layer covers the second surface and at least part of the plurality of lateral surfaces. An edge of the first transparent conductive layer is spaced apart from an edge of the second transparent conductive layer, to define an isolation region therebetween.

Abstract: The present application discloses a request processing method and apparatus, a device, and a non-transitory readable storage medium. When modifying reflink data, in the present application, first reading continuous data including currently modified data from a disk to a cache, then modifying corresponding reflink data in the cache, but not modifying other data in the continuous data, and then allocating a new address for the modified new reflink data in the disk, and mapping the cache address of the new reflink data to the new address, so as to store the new reflink data in the new address, and at the same time reducing the reference count of the corresponding reflink data in the reflink shared tree by one.

Abstract: The present invention discloses a rare-earth-manganese/cerium-zirconium-based composite compound, a method for preparing the same, and a use thereof. The composite compound is of a core-shell structure with a general formula expressed as: A REcBaOb-(1-A)CexZr(1-x-y)MyO2-z, wherein 0.1?A?0.3, preferably 0.1?A?0.2; a shell layer has a main component of rare-earth manganese oxide with a general formula of REcMnaOb, wherein RE is a rare-earth element or a combination of more than one rare-earth elements, and B is Mn or a combination of Mn and a transition metal element, 1?a?8, 2?b?18, and 0.25?c?4; and a core has a main component of cerium-zirconium composite oxide with a general formula of CexZr(1-x-y)MyO2-z, wherein M is one or more non-cerium rare-earth elements, 0.1?x?0.9, 0?y?0.3, and 0.01?z?0.3. The composite compound enhances an oxygen storage capacity of a cerium-zirconium material through an interface effect, thereby increasing a conversion rate of a nitrogen oxide.

Abstract: The present application provides a fault risk analysis system, a fault risk analysis method, an air conditioner and a computer readable storage medium, and the fault risk analysis system comprises: a memory for storing computer programs; a processor for executing the computer programs to implement: obtaining debugging information and/or system operation information, and determining fault inducing factors corresponding to the debugging information and/or the system operation information; and adjusting a fault risk level of the fault category corresponding to the fault inducing factors according to the fault inducing factors. By collecting the debugging information, potential fault inducing factors of the current unit can be accurately reflected; by collecting the system operation information to analyze the fault inducing factors, the fault risk analysis system can obtain more accurate and reliable fault inducing factors.

Abstract: The present disclosure provides an active metal-containing M-CHA/M-MOR composite molecular sieve and a preparation method. The preparation method includes: S1, adding an alkali source, a silicon source, an aluminum source, a structure-directing agent, an active metal complex and a crystal form modifier into water, and performing stirring to obtain a gel, wherein the crystal form modifier is an aqueous solution containing a molecular sieve secondary structural unit prepared based on at least one of an MOR molecular sieve, a CHA/MOR composite molecular sieve, and a CHA-MOR mixed molecular sieve; S2, subjecting the gel to a hydrothermal reaction, and separating the resulting slurry to obtain a composite molecular sieve; and S3, drying the composite molecular sieve, and performing calcining to obtain the active metal-containing M-CHA/M-MOR composite molecular sieve. The direct preparation method has the advantages of short process flow, low wastewater production, low energy consumption and the like.

Abstract: The disclosure provides a remote control device, a piezoelectric laser pointer, and a remote control system. The remote control device includes a housing, and further includes: a power generator, mounted inside the housing and including a press mechanism and a power generating mechanism, where after being pressed by the press mechanism, the power generating mechanism is deformed under stress and generates electricity; a circuit controller, mounted inside the housing and electrically connected to the power generator; and a signal transceiver, mounted inside the housing, electrically connected to the circuit controller, and configured to transmit and receive signals. In the disclosure, the power generating mechanism generates power after being pressed by the press mechanism, and the power is transferred to the circuit controller, so that the signal transceiver is powered on. Dry batteries are no longer used, thus avoiding environmental pollution caused by used dry batteries.

Abstract: A data processing method applied to a first device includes obtaining action data of a target user, and transmitting the action data to a second device, such that the second device outputs a virtual character corresponding to the target user at least according to the action data.