Abstract: A buck-boost switching power circuit comprises a bypass control circuit which configured to determine whether the buck-boost switching power circuit operates in a bypass mode according to a bypass enable signal. When the conversion voltage difference between the input voltage and the output voltage is less than a reference voltage, the bypass control circuit controls to electrically connect the input power source with the output power source, and operates the buck-boost switching power circuit in the bypass phase of the bypass mode. Before and/or after the bypass phase, the bypass control circuit respectively controls the buck-boost switching power circuit to operate in a first transition phase and/or a second transition phase.

Abstract: A method includes determining an operational design domain (ODD) of a target road section where an automated driving system is located, where a first parameter set corresponding to the ODD includes a first environmental parameter set or a first operating parameter set of the automated driving system, obtaining a second parameter set, where the second parameter set includes a second environmental parameter set or a second operating parameter set, the second environmental parameter set is a set of environmental parameters of the automated driving system on the target road section, and the second operating parameter set is a set of operating parameters of the automated driving system on the target road section, and when it is identified that the second parameter set is a subset of the first parameter set, determining that the automated driving system does not exceed the ODD of the target road section.

Abstract: This application provides a prompt method for fitness training and an electronic device, and relates to the field of artificial intelligence. The method includes: obtaining required training space, where the required training space is used to complete one or more training actions; determining, based on a training scenario in which a user is located and the required training space, a training location recommended to the user; and recording a training action of the user based on the training location recommended to the user. A suitable training location is recommended to the user based on the training scenario in which the user is located and the required training space. Therefore, the user can also normally perform training in a scenario in which exercise space is limited, for example, when there is an obstruction or a site is insufficient.

Abstract: A data sending method includes an adaptation layer that obtains first data and attribute information corresponding to the first data from a network layer, where the attribute information includes destination address information, the adaptation layer generates a first access layer address based on the destination address information, the adaptation layer transfers the first data and the first access layer address to an access layer, and the access layer sends the first data through a sidelink based on the first access layer address.

Abstract: A drive assist apparatus includes a storage unit that stores a three-dimensional model indicating a moving region, an input unit that receives, from a sensor group installed in the moving region, first height information indicating a first height which is a height of the mobile object and second height information indicating a second height which is a height of an object that satisfies a predetermined distance criterion from the mobile object, an extraction unit that extracts, from the three-dimensional model, a first plan view based on the first height information and a second plan view based on the second height information, a generation unit that generates a combined map for two-dimensionally showing the moving region and assisting the driving of the mobile object by combining the first plan view and the second plan view, and an output unit that transmits a generated combined map to the mobile object.

Abstract: The invention provides a method and system for screening high developmental potential embryo for in-vitro fertilization. The method includes segmenting an embryo from an acquired multi-focus embryo image; segmenting a TE image from the multi-focus embryo image after embryo segmentation, and unfolding the segmented TE image; inputting the multi-focus embryo image after segmentation, the TE image unfolded after the segmentation, the biochemical features of the patient couple and the status features of the maternal uterus into a trained prediction model, and outputting an embryo developmental potential score; and selecting the embryo with the highest score as the high developmental potential embryo.

Abstract: A multi-wavelength mid-infrared laser pulse train cavity dumped laser based on Nd:MgO:APLN crystal is disclosed. In response to the needs in the field of differential absorption lidar, it is necessary to introduce multi-fundamental frequency light pulse accumulation and superposition, and parametric light synchronization pulse compression technology in the multi-wavelength mid-infrared laser operating mechanism. To this end, a splayed parametric light oscillation cavity formed in conjunction with a Nd:MgO:APLN crystal is disclosed, wherein it is possible to obtain multi-wavelength mid-infrared laser pulse train output with narrow pulse width and high peak power, meeting the needs of differential absorption lidar for mid-infrared lasers.

Abstract: A multi-wavelength mid-infrared laser pulse train cavity dumped laser based on Nd:MgO:APLN crystal is disclosed. In response to the needs in the field of differential absorption lidar, it is necessary to introduce multi-fundamental frequency light pulse accumulation and superposition, and parametric light synchronization pulse compression technology in the multi-wavelength mid-infrared laser operating mechanism. To this end, a splayed parametric light oscillation cavity formed in conjunction with a Nd:MgO:APLN crystal is disclosed, wherein it is possible to obtain multi-wavelength mid-infrared laser pulse train output with narrow pulse width and high peak power, meeting the needs of differential absorption lidar for mid-infrared lasers.

Abstract: An intelligent voice playing method includes displaying, by an electronic device, an interface of a first application, where the first application is used by a user to perform exercise training; capturing an image of a training action of the user; playing a video of a standard action, and displaying the image of the training action of the user; determining a plurality of to-be-selected voices triggered by a first action unit in the training action of the user, where the first action unit is one training action or a part of one training action; and selecting a voice from the to-be-selected voices for playing.

Abstract: The disclosure provides a power battery top cover structure, comprising a top cover plate and a conductive terminal structure. The conductive terminal structure moves from bottom to top under an assembly hole so that a terminal body is assembled into the assembly hole, connecting portions of the conductive terminal structure are positioned in connecting grooves of the top cover plate, and the connecting portions are in contact with and welded with the connecting grooves, so that the conductive terminal structure is fixedly connected to the top cover plate. The independently manufactured and molded terminal structure is welded with the connecting hole of the top cover plate for fixing, which simplifies design and manufacturing process, thereby improving production efficiency and reducing production cost.

Abstract: This application provides a data transmission method and apparatus. The method includes: obtaining, by a terminal, information used to indicate a first condition; obtaining to-be-transmitted data; and when the first condition is met, sending, by the terminal over a sidelink, the to-be-transmitted data that is on a first logical channel by using a first carrier frequency and the to-be-transmitted data that is on a second logical channel by using a second carrier frequency. In this method, the same data is sent, over the sidelink, on different carrier frequencies by using two logical channels, and a receiving device can receive the same duplicate data, thereby improving data transmission reliability.

Abstract: An electronic device may learn a specific somatosensory action completed by a user, and also record a specific remote control key selected by the user, and then the electronic device may associate the action with the key. When recognizing that the user completes the action, the electronic device may simulate a control signal generated by the key, to control a game operation. Accordingly, the user can simply and quickly transform a conventional game into a somatosensory game. In this process, a game manufacturer does not need to perform additional customization work, and the user does not need to use an additional somatosensory device.

Abstract: Techniques for chemically recycling cellulose waste such as cotton are disclosed herein. In one embodiment, a method includes hydrolyzing a cotton waste and dissolving cellulose in the hydrolyzed cotton waste in an aqueous solution containing an alkali and one or more of urea ((NH2)2CO), polyethylene glycol, or thiourea (SC(NH2)2) to produce another aqueous solution containing dissolved cellulose. Then the another aqueous solution containing the dissolved cellulose can be extruded into a coagulation bath to coalesce the dissolved cellulose in the extruded solution, thereby reforming the dissolved cellulose from the cotton waste into a regenerated fiber.

Abstract: Embodiments of this disclosure provide a connection configuration method and apparatus, and relate to the field of communication technologies. The method includes: obtaining device information of at least one second device; and generating topology information based on the device information of the at least one second device, where the topology information indicates a connection relationship between a first device and the at least one second device or a connection relationship between the at least one second device, and the connection relationship indicates a priority of a device and/or a master-slave relationship between devices. In this way, efficiency and convenience of connection configuration of a plurality of short-distance devices can be improved.

Abstract: Embodiments of this application provide a resource use status reporting method and a communications apparatus. A terminal device divides a resource in a first resource set into a plurality of to-be-measured resources based on a first measurement parameter used to indicate a length of the to-be-measured resource, determines a use status of each to-be-measured resource to obtain use status information, and then reports the use status information to a network device.

Abstract: Described herein are methods and systems associated with viewing condition adaption of multimedia content. A method for receiving multimedia content with a device from a network may include determining a viewing parameter, transmitting a request for the multimedia content to the network, whereby the request may be based on the viewing parameter, and receiving the multimedia content from the network, whereby the multimedia content may be processed at a rate according to the viewing parameter. The viewing parameter may include at least one of: a user viewing parameter, a device viewing parameter, or a content viewing parameter. The method may further include receiving a multimedia presentation description (MPD) file from the network. The MPD file may include information relating to the rate of the multimedia content and information relating to the rate may include a descriptor relating to the viewing parameter, whereby the descriptor may be required or optional.

Abstract: The present disclosure provides a testkey structure and a monitoring method with a testkey structure, and the testkey structure includes a first diffusion region and a second diffusion region, a first gate and a second gate, a first epitaxial layer and a second epitaxial layer, and an input pad and an output pad. The first diffusion region and the second diffusion region are disposed in a substrate. The first gate and the second gate are disposed on a substrate, across the first diffusion region and the second diffusion region respectively. The first epitaxial layer and the second epitaxial layer are respectively disposed on the second diffusion region and the first diffusion region, separately disposed between the first gate and the second gate. The input pad and the output pad are electrically connected to the first epitaxial layer and the second epitaxial layer respectively.

Abstract: An adaptive action evaluation method includes obtaining a basic information parameter of a user; obtaining a first evaluation threshold based on the basic information parameter, where the first evaluation threshold provides an evaluation standard; obtaining a key evaluation parameter of a current action of the user; determining an action completion evaluation of the user based on the key evaluation parameter and the first evaluation threshold; and adjusting the first evaluation threshold based on the action completion evaluation.

Abstract: This disclosure provides a service transmission method. The terminal device determines, based on a relationship between radio resource information and transmission characteristic information, a first transmission resource set supporting a first transmission characteristic, when determining to transmit service data by using the first transmission characteristic, selects a direct link transmission resource from the first transmission resource set supporting the first transmission characteristic to transmit the service data, and transmits the service data on the selected direct link transmission resource.

Abstract: The present disclosure relates to communication methods and related devices. One example method is applied to a terminal device, and the method includes obtaining first data and a quality of service (QoS) parameter corresponding to the first data, where the QoS parameter includes at least one of reliability information, latency information, communication distance information, data rate information, or service type information, and sending an identifier to a network device, where the identifier corresponds to the QoS parameter.