Abstract: The present application provides a method for signing an application, and a transaction terminal. The method includes receiving a download request that is sent by a transaction terminal, and the download request comprising an identification of an application to be installed, and determining an installation package of the application to be installed corresponding to the download request according to the identification, and obtaining signature data associated with the installation package and sending the installation package and the signature data to the transaction terminal, the installation package and the signature data indicating that the transaction terminal obtains a signed application package by combining the installation package and the signature data and installs the installation package after the signed application package is verified.

Abstract: A plasma processing device includes: a vacuum processing chamber internally provided with a movable lower electrode assembly; a movable grounding ring arranged at a bottom of the movable lower electrode assembly; a fixed grounding ring arranged below the movable grounding ring; a retractable sealing assembly arranged between the movable grounding ring and the fixed grounding ring; a conductive connector used for forming a radio frequency path between the movable grounding ring and the fixed grounding ring, where a distance between an outer wall of the retractable sealing assembly and a central axis of the vacuum processing chamber is less than an outer diameter of the movable grounding ring; and a match with a radio frequency transmitting end and a radio frequency receiving end of a radio frequency circuit.

Abstract: Systems and methods for data storage in a storage device are provided in the present disclosure. The method may include dividing the storage device into a recording region and a shingled magnetic recording (SMR) region. The SMR region may be configured to store data, and the recording region may be configured to store storage information associated with the storage device. The storage information may include at least a corresponding relationship between an index of the data and a storage location of the data. The method may also include obtaining target data to be stored. The method may further include determining, based on the target data and the storage information, a target position in the SMR region for storing the target data.

Abstract: The present disclosure provides methods, systems, devices, and media for data processing. The method may include obtaining information of one or more hard disks of each of one or more data nodes, the information of the one or more hard disks at least including type information, capacity information, and location information of each of the one or more hard disks; determining, based on a data processing instruction and the information of the one or more hard disks, target information of a target hard disk among the one or more hard disks; and transmitting the data processing instruction including the target information of the target hard disk to a target data node corresponding to the target hard disk.

Abstract: The present disclosure describes the engineering of microbial cells for fermentative production of ectoine and provides novel engineered microbial cells and cultures, as well as related ectoine production methods.

Abstract: Provided are a tour guiding method and apparatus, an electronic device and a storage medium. The method includes receiving a video stream collected by a user in a current location area of a target scenic spot and sent by an application device; determining, based on the collected video stream and prestored three-dimensional point cloud data of the target scenic spot, an augmented-reality-based content resource package corresponding to the current location area, where the augmented-reality-based content resource package includes at least six-degrees-of-freedom attitude data of the application device; and sending the augmented-reality-based content resource package corresponding to the current location area to the application device to enable the application device to provide the augmented-reality-based content resource package corresponding to the front location area for the user.

Abstract: A display driving circuit includes a light emitting assembly which includes a first control switch having a first terminal connected to a cathode of the light emitting unit, a second terminal connected to a common terminal, and a control terminal connected to a first signal wire to provide a first control signal and a second control switch having a first terminal connected to a charging terminal, a second terminal connected to an anode of the light emitting unit and a control terminal connected to a second signal wire to provide a second control signal. When the light emitting unit is turned off, the first control switch disconnects the cathode of the light emitting unit and the common terminal in response to the first control signal, and the second control switch disconnects the anode of the light emitting unit and the charging terminal in response to the second control signal.

Abstract: A positioning method, a method for generating a visual map and an apparatus thereof includes: obtaining a current parking space number corresponding to a parking space image; obtaining a three-dimensional (3D) coordinate and a 3D pose of the current parking space number under a world coordinate system based on the current parking space number and a visual map, in which the visual map is generated based on current parking space numbers; obtaining a first conversion matrix from a camera coordinate system to a current parking space number coordinate system, in which the current parking space number coordinate system is generated based on the current parking space number; and determining a 3D coordinate and a 3D pose of a camera under the world coordinate system based on the first conversion matrix and the 3D coordinate and 3D pose of the current parking space number.

Abstract: Disclosed are a plasma processing device and a retractable sealing part thereof. The retractable sealing part is arranged in or near a radio-frequency circuit of the plasma processing device. The retractable sealing part includes a bellows assembly having a first end and a second end. Isolation rings are added to an upper part and a lower part of the bellows assembly to weaken longitudinal radio-frequency coupling. Metal sleeves are added to an inner side and an outer side of the bellows assembly to shield transverse radio-frequency coupling. The present disclosure effectively shields radio-frequency coupling on the basis of maintaining the functions of vacuum isolation and extension and retraction of the retractable sealing part, thereby obtaining the stable radio-frequency circuit and etching rate.

Abstract: Embodiments of the present disclosure provides a method and apparatus for constructing a map. The method may include: determining pose information of each panoramic image frame from a panoramic image sequence of a target area, and determining a perspective image sequence from each panoramic image frame; determining a feature track corresponding to the panoramic image sequence based on perspective image sequences corresponding to adjacent panoramic image frames; and constructing a visual map of the target area based on the feature track and the pose information of each panoramic image frame.

Abstract: The present disclosure describes the engineering of microbial cells for fermentative production of 1,5-diaminopentane and provides novel engineered microbial cells and cultures, as well as related 1,5-diaminopentane production methods.

Abstract: The present disclosure describes the engineering of microbial cells for fermentative production of 2-oxoadipate and provides novel engineered microbial cells and cultures, as well as related 2-oxoadipate production methods.

Abstract: Provided are a tour guiding method and apparatus, an electronic device and a storage medium. The method includes receiving a video stream collected by a user in a current location area of a target scenic spot and sent by an application device; determining, based on the collected video stream and prestored three-dimensional point cloud data of the target scenic spot, an augmented-reality-based content resource package corresponding to the current location area, where the augmented-reality-based content resource package includes at least six-degrees-of-freedom attitude data of the application device; and sending the augmented-reality-based content resource package corresponding to the current location area to the application device to enable the application device to provide the augmented-reality-based content resource package corresponding to the front location area for the user.

Abstract: Embodiments of the present disclosure provides a method and apparatus for constructing a map. The method may include: determining pose information of each panoramic image frame from a panoramic image sequence of a target area, and determining a perspective image sequence from each panoramic image frame; determining a feature track corresponding to the panoramic image sequence based on perspective image sequences corresponding to adjacent panoramic image frames; and constructing a visual map of the target area based on the feature track and the pose information of each panoramic image frame.

Abstract: Three-Dimensional (3D) display device and method are disclosed. The device can include: a Light-Emitting Diode (LED) display, configured to display an image; a light path control structure including a multilayer pinhole type structure, configured to control emitting directions of light paths of the image to form 3D light field information, wherein multiple groups of pinhole arrays are arranged on each layer of the pinhole type structure; and a holographic function screen, configured to perform diffusion imaging on the 3D light field information to form a 3D image, wherein the LED display, the light path control structure and the holographic function screen are sequentially configured. The technical problems of the related art are solved.

Abstract: Embodiments of the present invention provide a video processing method, a mobile terminal, and a server. The method may include: sending, by a mobile terminal, a request to a server for pulling status update data of a social network, so that the server acquires original status update data that is requested to be pulled, the original status update data including a source video address; performing, by the server, adaptation processing on the source video address, to generate an adaptive video address; updating, by the server, the original status update data by using the adaptive video address, to obtain optimized status update data, and returning the optimized status update data to the mobile terminal; and obtaining, by the mobile terminal, adaptive video data according to the adaptive video address in the optimized status update data, and playing the adaptive video data.

Abstract: The present disclosure provides an intelligent robot based on artificial intelligence. The intelligent robot (10) includes a plurality of components (11). Each component (11) has an independent function. Different components (11) can be detachable from each other and combinable.

Abstract: Some embodiments of the disclosure disclose a Three-Dimensional (3D) display device and method, wherein the device can include: a Light-Emitting Diode (LED) display, configured to display an image; a light path control structure including a multilayer pinhole type structure, configured to control emitting directions of light paths of the image to form 3D light field information, wherein multiple groups of pinhole arrays are arranged on each layer of the pinhole type structure; and a holographic function screen, configured to perform diffusion imaging on the 3D light field information to form a 3D image, wherein the LED display, the light path control structure and the holographic function screen are sequentially configured. According to some embodiments of the disclosure, the technical problems of the related art are solved.

Abstract: The present disclosure provides a system and a method for debugging a robot based on artificial intelligence. The system includes: a mobile terminal; and the robot, in which the mobile terminal and the robot communicate with each other wirelessly, and the mobile terminal is configured to set a state parameter of each function node of the robot, and to send a control command to the robot according to the state parameter of each function node, so as to control the robot to perform a test.

Abstract: A method for implementing cross-domain jump includes: a second domain name server obtaining a cross-domain jump request of jumping from a first domain name to a second domain name sent by a browser, the request including a cross-domain user identifier corresponding to a first identifier of a user in the first domain name; the second domain name server obtaining a second identifier of the user in the second domain name corresponding to the user identifier, and generating a login state of the user in the second domain name according to the second identifier. The second domain name server recognizes identity of the user according to the second identifier, so that user does not need to log in while still maintaining the login state. Therefore, operation convenience of the user is improved. Further, a browser, a first domain name server and a second domain name server are provided.