Abstract: An image acquisition method includes acquiring a first image based on a first photographing parameter, where the first image includes a first to-be-detected item, acquiring a second image based on a second photographing parameter, where the second image includes a second to-be-detected item, and determining, based on the first image and the second image, a detection result corresponding to the first to-be-detected item and a detection result corresponding to the second to-be-detected item.

Abstract: A video playing method includes receiving first data sent by a first source device and second data sent by a second source device, where the first data comprises first display data and first audio data, and where the second data comprises second display data and second audio data; displaying the first display data in a first screen subarea of the destination device and the second display data in a second screen subarea of the destination device; and playing the first audio data by using a first speaker device and the second audio data by using a second speaker device, where the first speaker device is an external speaker wirelessly connected with the destination device, and where the second speaker device is a built-in audio module of the destination device.

Abstract: A data storage method, a computing device, and a storage system determine, from S stripes, chunks written in one batch, wherein a quantity of chunks that are in the chunks written in one batch and that belong to a same stripe is less than or equal to N, where each of the S stripes comprises (M+N) chunks, where the (M+N) chunks comprise M data chunks and N parity chunks, and where S, M, and N are positive integers, and in turn write the chunks written in one batch to M+N storage devices.

Abstract: Disclosed are a data decoding method and apparatus, and a computer storage medium. The data decoding method includes: after Polar code data to be decoded is acquired, transmitting the Polar code data to be decoded to at least two pre-configured independent U value calculation modules, the U value calculation modules being configured to calculate a U value required at a next iteration of a G node; controlling the at least two independent U value calculation modules to process the Polar code data to be decoded to obtain at least two sets of new decode data; and, processing the at least two sets of new decode data to obtain new Polar code data to be decoded.

Abstract: Apparatus, systems, and methods for processing workpieces are provided. In one example, the system includes a processing chamber. The system includes a workpiece support configured to support a workpiece within the processing chamber. The system includes a heat source configured to emit light toward the workpiece. The system includes a shutter disposed between the workpiece and the heat source. The shutter includes an electrochromic material configurable in a translucent state and an opaque state. When the electrochromic material is configured in the opaque state, the shutter reduces transmission of the light through the shutter, and when the electrochromic material is configured in the translucent state, the light at least partially passes through the shutter. The system includes a controller configured to control the shutter to reduce transmission of light through the shutter during a thermal treatment process.

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K?N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

Abstract: A blockchain-based supervision system of hazardous chemical production includes: a collection layer, for collecting production data information, wherein a collection device in the collection layer sets a TEE to encrypt or hash the collected production data information; a data layer, for uplinking a hash certificate of the production data information through an alliance chain, wherein the collection layer communicates with the data layer; a blockchain, for deploying a file uplink contract and encrypting and storing a file on a privacy computing server after the file is connected to the trusted environment; and a privacy computing system, for forming a metadata market of the data from file description information, recording the metadata information of the collected data. A data user applies for the right of use to a production enterprise that produces the data, and after obtaining authorization, the data user performs various applications on the privacy computing system.

Abstract: The present application provides a handheld intelligent electronic fountain device, comprising a housing, a storage bin for storing consumables, a heating component for heating consumables, an ejection tube for ejecting consumables outward, and an air supply component for delivering compressed air into the ejection tube, so as to prompt consumables to be ejected out of the ejection tube. The present application provides a first material guiding tube and a first rotating shalt, a first threaded portion for guiding material is provided at one end of the first rotating shaft, and a second threaded portion is provided at other end of the first rotating shaft, and the second threaded portion is threadedly connected with a first transmission gear.

Abstract: This application provides a communication method and a communication apparatus. One example method includes: A sending device sends a first physical layer protocol data unit PPDU over a first link, where the first PPDU carries a trigger frame. The sending device sends a second PPDU over a second link, where an end time of sending the second PPDU is not earlier than a first time and not later than a second time, the first time is related to an end time of sending the first PPDU and a state turnaround time in a short interframe space SIFS time, and the second time is related to the end time of sending the first PPDU and the SIFS time.

Abstract: A movable object includes a body, one or more propulsion units carried by the body and configured to effect movement of the movable object, and an electrical plug for power and signal transmission. The electrical plug includes at least one signal pin configured to communicate signal, a plurality of power pins configured to transmit electrical power, and a plug substrate configured to support the at least one signal pin and the plurality of power pins. The plurality of power pins include at least one power pin having a first polarity and at least one power pin having a second polarity opposite to the first polarity. The one or more propulsion units are provided with electrical energy via the electrical plug. The plurality of power pins and the at least one signal pin include a first set of power pins and signal pins, and a second set of power pins and signal pins.

Abstract: A slide rail assembly includes a rail member and a mounting structure. The rail member has an installation feature arranged in a transverse direction relative to a longitudinal direction of the rail member. The mounting structure is mounted to the installation feature of the rail member. The rail member and the mounting structure are transversely movable relative to each other.

Abstract: Provided are an intelligent manufacturing system and manufacturing method for terahertz water molecule rearrangement, which relate to the technical field of terahertz water molecule rearrangement apparatuses. The intelligent manufacturing system includes a drive adjustment structure and an electromagnetic production structure, where the electromagnetic production structure is fixedly connected to a centre of the drive adjustment structure; the drive adjustment structure includes a stable connection component and a cooperative adjustment component, where the cooperative adjustment component is arranged at a centre of an inner end of the drive adjustment structure, and a side end of the cooperative adjustment component meshes with the stable connection component. Integrated production work can be achieved by means of structural arrangement of the drive adjustment structure and the electromagnetic production structure.

Abstract: This application provides an encoding method. The encoding method includes: first, splitting obtained to-be-encoded data into phase data and amplitude data according to a preset rule; then, obtaining a constellation diagram corresponding to the to-be-encoded data, where the constellation diagram includes a plurality of constellation points, the plurality of constellation points include a constellation point with an amplitude value of 0, each constellation point has a corresponding probability value, and the probability value indicates an occurrence probability of the corresponding constellation point; then, performing probabilistic constellation shaping encoding on the amplitude data based on the constellation diagram and the probability value corresponding to each constellation point, to obtain at least one group of symbol sequences; and then combining the at least one group of symbol sequences and the phase data, and then performing encoding, to obtain output data.

Abstract: The disclosure discloses a concealed bicycle lock system and a setup method thereof. The lock system of the disclosure includes a lock with an upper shaft and a lower shaft. The upper shaft is configured to link and move with a handlebar via a stem; the lower shaft is configured to link and move with a front wheel by embedding the lower shaft into a fork tube. When the lock is in a locked mode, the upper shaft and the lower shaft are not linked to move together. In contrast, the upper shaft and the lower shaft are linked to move together in an unlocked mode. A user may set up the lock without performing destructive modification to the bicycle.

Abstract: A mechanical unlocking mechanism for electronic parking is provided, which comprises a parking cam assembly, a pawl assembly, a pull rod assembly and a parking gear; the parking cam assembly comprises a parking guide shaft and a parking cam, the parking cam is sleeved on the parking guide shaft, at least a first convex part and a second convex part are provided at two sides of the parking cam, and a connecting part is provided on the second convex part; the pull rod assembly is connected with the parking cam via the connecting part, and the pull rod assembly pulls the second convex part to drive the parking cam to rotate; the parking gear can be fixed or rotatable according to the pawl assembly being in a first position where the parking gear parks in or a second position where the parking gear parks out as the parking cam rotates.

Abstract: The application discloses an Internet access method. The method includes receiving a first Internet access packet reported by a first BNG, the first Internet access packet carrying user information and information of the first BNG, and receiving the user's second Internet access packet reported by a second BNG, wherein the second Internet access packet carries user information and information of the second BNG. The method also includes recording, according to the user information, information of the first BNG and information of the second BNG in a BNG list to which the user belongs, and selecting, according to a preset policy, the first BNG from the BNG list. The method also includes delivering the user's forwarding information to the first BNG; and sending a response packet to the user, where the response packet is used to instruct the user to access the Internet by using the first BNG.

Abstract: The present application discloses a method and an apparatus for recognizing text content, and an electronic device, and relates to a text recognition technique in the field of computer technology. The specific implementation is as follows: acquiring a dial picture; detecting at least one text centerline and a bounding box corresponding to each text centerline in the dial picture; and recognizing text content in each line of text in the dial picture based on the at least one text centerline and the bounding box corresponding to each text centerline.