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.

Abstract: Example data transmission methods and devices are described. In one example method, data and attribute information of the data are received at a transmitting end from at least one data source. The original data is segmented based on the attribute information to obtain a plurality of data sections. A respective check code for each of the plurality of data sections is calculated based on each of the plurality of data sections. A plurality of coded blocks are sent. The plurality of coded blocks are received at a receiving end. A check is performed on data sections included in the plurality of coded blocks by using check codes included in the plurality of coded blocks. At least a data section that is successful in the check is provided for a user.

Abstract: This application discloses a method for selecting a plurality of carriers and a related device. The method includes: obtaining, by a first terminal, first configuration information, where the first configuration information includes at least one piece of first carrier information and corresponding first channel congestion parameter information; obtaining first data; selecting at least one direct link transmission carrier for the first data according to the first carrier information and in a priority sequence based on the first channel congestion parameter information; and sending the first data on the direct link transmission carrier.

Abstract: A service data transmission method, a first communications node and a base station are disclosed. In an embodiment a method includes obtaining, by a first communications node, transmission carrier frequency configuration information of a first service type, wherein the transmission carrier frequency configuration information of the first service type includes at least one first transmission carrier frequency identifier, obtaining, by the first communications node, first service data and a first identifier, wherein the first identifier indicates that the first service data belong to the first service type, determining, by the first communications node based on the first identifier and the first transmission carrier frequency identifier, a first transmission carrier frequency corresponding to the first transmission carrier frequency identifier and transmitting, by the first communications node, the first service data on the first transmission carrier frequency.

Abstract: The disclosure relates to the field of new energy lithium battery accessories, and specifically relates to a method for stamping and integrally molding a top cover sheet, a battery top cover structure and a manufacturing method thereof. In the disclosure, the top cover sheet is stamped to mold corresponding holes, and then the top cover sheet is forward stamped, reversely stamped and shaped so as to obtain a battery top cover sheet with a predetermined shape. In the disclosure, an injection molding connecting portion is integrally molded on the battery top cover sheet by a stamping molding process for injection molding of an upper plastic piece, so as to facilitate the manufacture of the top cover sheet and the battery top cover structure.

Abstract: The invention provides a semiconductor testkey, which comprises a testkey on a substrate, the testkey comprises a first resistor pattern, a second resistor pattern and a third resistor pattern arranged in a strip, the distance between the first resistor pattern and the second resistor pattern is defined as a first distance, and the distance between the second resistor pattern and the third resistor pattern is defined as a second distance, the first resistor pattern, the second resistor pattern and the third resistor pattern have the same pattern, and the second distance is larger than the first distance.

Abstract: In some examples, a method includes receiving an artificial intelligence (AI) system scenario definition file from a user, parsing the definition file and building an application workflow graph for the AI system, and mapping the application workflow graph to an execution pipeline. In some examples, the method further includes automatically generating, from the workflow graph, application executable binary code implementing the AI system, and outputting the application executable binary code to the user. In some examples, the execution pipeline includes one or more building blocks, and the method then further includes collecting running performance of each of the building blocks of the execution pipeline in a runtime environment.

Abstract: A method for growing long-seed DKDP crystal by two-dimensional motion grows the crystal along the cylindrical surface, and there is no cylinder-cone interface with low optical quality, while avoiding three flow regions which are inevitable in the crystal growth process by rotating crystal method, including incident flow, side flow and wake flow, and easily cause inclusion formation. The long seed crystal moves periodically in the fresh solution, four cylindrical surfaces can achieve reversible shear flow in one cycle, and any point on the cylindrical surface experiences the same hydrodynamic conditions in one movement cycle, so that the solute supply is sufficient and uniform, the growth velocity is improved, and the stability of morphology is ensured. The method facilitates rapid growth of high quality DKDP crystals and provides a better solution for the large-size, high-quality DKDP crystal growth required by the ICF laser device.

Abstract: A communication method applied to the communication field, and in particular, to the short-range communication field, for example, an in-vehicle wireless communication system, a smart home system, or a smart manufacturing system, includes: a first node performing channel coding on at least one CB; and the first node sending, to a second node, the at least one CB on which channel coding has been performed, where the at least one CB is a CB of a first service.

Abstract: The present invention discloses a power amplification apparatus having a digital pre-distortion mechanism that includes a digital pre-distortion circuit and a power amplifier. The digital pre-distortion circuit receives an original digital signal having an original real part and an original imaginary part. When a first one and a second one of the original real part and the original imaginary part are a low state voltage level and a high state voltage level, the digital pre-distortion circuit outputs a first and a second voltage levels equivalent to the low state voltage level as a first pre-distortion part and directly outputs the second one of the original real part and the original imaginary part as a second pre-distortion part to generate an input signal having an input real part and an input imaginary part each corresponding to one of the first pre-distortion part and the second pre-distortion part. The power amplifier receives the input signal to perform power amplification to generate an output signal.

Abstract: This application provides a direct link data transmission method, a terminal device, and a network device. The method includes: receiving, by a first terminal device, first configuration information sent by a network device, where the first configuration information includes information about a transmission resource set, and the transmission resource set is a transmission resource set shared between a second terminal device that uses a centralized scheduling transmission mode and a third terminal device that uses a distributed transmission mode; detecting, by the first terminal device, a load level of a resource unit in the transmission resource set based on the information about the transmission resource set; and sending, by the first terminal device, report information to the network device based on the load level, where the report information includes information about an occupied resource unit and/or information about an available resource unit in the transmission resource set.

Abstract: Provided in the present application are a rare-earth microalloyed steel and a control process. The steel has a special microstructure, and the microstructure comprises a rare earth-rich nanocluster having a diameter of 1-50 nm. The nanocluster has the same crystal structure type as a matrix. The rare earth-rich nanocluster inhibits the segregation of the elements S, P and As on a grain boundary, and obviously improves the fatigue life of the steel. In addition, a rare-earth solid solution also directly affects a phase change dynamics process so that the diffusion-type phase change starting temperature in the steel changes at least to 2° C., and even changes to 40-60° C. in some kinds of steel, thereby greatly improving the mechanical properties thereof, and providing a foundation for the development of more kinds of high-performance steel.

Abstract: This application provides a data transmission method and an apparatus, and relates to the field of communications technologies, and in particular, to short-range communication, for example, a cockpit domain. This improves transmission efficiency and reduces system overheads and a latency. The method includes: A second node receives first configuration information from a first node. The first configuration information is used to configure a first time-frequency resource. The second node obtains first information corresponding to a first logical channel, where the first information is used to indicate whether segmentation of a data packet on the first logical channel is allowed, the first logical channel corresponds to a second time-frequency resource, and the second time-frequency resource is included in the first time-frequency resource. The second node sends first data to the first node by using the first time-frequency resource. This application is applied to data transmission.

Abstract: This application provides a data transmission method and communications apparatus, to improve transmission efficiency. The method may include obtaining, by a MAC entity of a first communications device from an upper layer, first data on each of at least one first logical channel and second data on each of at least one second logical channel, where a service type or a destination address of the first data is different from a service type or a destination address of the second data. The method may also include generating, by the first communications device, a MAC PDU, where the MAC PDU includes the first data on each first logical channel and the second data on each second logical channel; and sending, by the first communications device, the MAC PDU through a direct link.

Abstract: The present disclosure relates to communications methods and apparatuses. One example method includes receiving first indication information sent by a network device, where the first indication information is used to indicate a first time-frequency resource, generating first data based on a resource attribute of the first time-frequency resource, where the first data includes data of at least one logical channel, and sending the first data to the network device on the first time-frequency resource. The method may be applied to the internet of vehicles, for example, vehicle-to-everything (V2X), long term evolution-vehicle (LTE-V), and vehicle-to-vehicle (V2V).

Abstract: A wireless communications method is applicable to short-range communications, for example, cockpit domain communications, self-driving, or intelligent driving and includes a terminal device that receives first feature information and first configuration information from a network device, where the first feature information indicates a first feature, and the first configuration information is for configuring at least one communications parameter or a device state for at least one terminal device that matches the first feature indicated by the first feature information. Then, when the terminal device determines that a feature of the terminal device matches the first feature, the terminal device is configured based on the first configuration information.