Abstract: A method for comment information display includes steps described below: Comment information of a plurality of target videos in a video collection is acquired; a bullet comment file is generated according to the comment information; and in response to any target video in the video collection being played, the bullet comment file is loaded in segments according to a preset playing rule, and each piece of the comment information is displayed in a form of scrolling display of the bullet comment file.

Abstract: This application provides a communication method and apparatus, and relates to the field of communication technologies. According to the method, the terminal device determines a location of an NTN device in an NTN. The method includes: A network device sends system information to the terminal device. The system information includes a location parameter of a non-terrestrial network NTN device, and the system information is used to indicate time information of the location parameter.

Abstract: The present disclosure discloses a mutant of a lycopene epsilon cyclase (Lcye) gene crucial in a wheat carotenoid synthesis pathway and use thereof. The present disclosure provides the following proteins: (1) a protein obtained by substituting serine at position 253 of an Lcye-D1 protein with phenylalanine; (2) a derived protein that is obtained by subjecting the protein in (1) to substitution and/or deletion and/or addition of one or more amino acid residues and has the same ability as the protein in (1); (3) a protein that has a homology of more than 99%, more than 95%, more than 90%, more than 85%, or more than 80% with the amino acid sequence defined in any one of (1) and (2) and has the same function as the amino acid sequence; and (4) a fusion protein obtained by attaching a tag to N-terminus and/or C-terminus of the protein in any one of (1) to (3).

Abstract: Provided are a hotspot list display method and apparatus, an electronic device, and a storage medium. The method includes playing a target video in a first video play page; receiving a first slide operation on the first video play page, where the first slide operation is used for switching current display content of the first video play page; and in response to the first slide operation satisfying a trigger condition for displaying a hotspot list, playing a preset video of the hotspot list on the first video play page, displaying the hotspot list in a layer on the preset video, and displaying video items of multiple hotspot videos in the hotspot list.

Abstract: A cell selection method and apparatus. The method includes receiving, by a terminal, a handover command, where the handover command includes indication information indicating a polarization direction of a target cell to be accessed by the terminal, performing, by the terminal, cell handover based on the handover command.

Abstract: Provided are a method and device for video search, a terminal and a storage medium. The method includes: receiving a first event generated by triggering a first control in a video playback page; acquiring, in response to the first event, a current video image frame played in the video playback page when the first event is triggered; acquiring a first to-be-searched target positioned by a second control in the current video image frame and a first display position of the first to-be-searched target in the current video image frame, and displaying the second control on the first display position; and acquiring a first recommendation result corresponding to the first to-be-searched target, and displaying the first recommendation result in a search result page.

Abstract: This application provides an uplink timing method. A half-duplex terminal device determines, based on a maximum timing advance of an area in which the terminal device is located and a set of time units used by the terminal device to receive a system message, a set of time units unavailable for uplink transmission, and in a process of calculating a time unit for sending an uplink signal, skips, based on a scheduling offset of the uplink signal, a time unit in the set of time units unavailable for uplink transmission, to avoid a problem that the half-duplex device needs to simultaneously perform receiving and sending in a large transmission latency scenario.

Abstract: The technology of this application relates to a random access method, applied to the communication field. The method includes a terminal device sends, to a network device, a first message used to establish a wireless connection, the terminal device receives, a connection response sent by the network device, where the connection response includes information about a first polarization parameter, and when accessing the network device based on the connection response, the terminal device determines, based on the information about the first polarization parameter included in the connection response, whether the terminal device is qualified to access the network device. A dimension, namely, a polarization parameter, is introduced into a random access procedure, so that a preamble capacity is increased, a problem that the network device cannot identify a colliding terminal device is alleviated, and efficiency of establishing a communication connection between the terminal device and the network device is improved.

Abstract: A communication method and apparatus are provided, and relate to the field of wireless communication technologies, to resolve a problem in a conventional technology that communication quality during communication between a satellite and a communication apparatus cannot be ensured, and to ensure security of high-accuracy location information of the satellite. In the method, the communication apparatus may perform random access to the satellite based on first location information. The communication apparatus may perform uplink communication with the satellite based on obtained second location information. Accuracy of a location obtained based on the second location information is higher than accuracy of a location obtained based on the first location information. Based on this solution, required accuracy of location information of the satellite is different.

Abstract: A method and a communication apparatus for determining a timing advance. A downlink signal is received from a network device. A first reference moment of a signal period of the downlink signal is determined, where the first reference moment includes a start receiving moment of the signal period. A first time interval between the start receiving moment and a start moment of a first period in which the terminal is located is determined. Based on the first time interval, determining whether a start sending moment of the signal period is within the first period, and determining the start sending moment, where a period is a duration distributed at an equal interval on a time axis. A timing advance is determined based on the start receiving moment and the start sending moment, and an uplink signal is sent based on the timing advance.

Abstract: A gateway station switching method and apparatus. When quality of a link from a terminal device to a source gateway station through a satellite is poor, the source gateway station sends third indication information to a target gateway station, so that the target gateway station feeds back second channel quality to the source gateway station, that is, quality of a link from the terminal device to the target gateway station through the satellite. The source gateway station determines, based on the second channel quality and first channel quality that represents the quality of the link from the terminal device to the source gateway station through the satellite, whether to switch the terminal device to the target gateway station.

Abstract: This application provides a method and an apparatus for updating a timing offset, and is particularly applicable to an NTN network such as satellite communication. The terminal side method includes: A terminal receives a timing offset difference ?Koffset, and updates a timing offset based on the ?Koffset to obtain an updated timing offset. The network side method includes: A network device determines a timing offset difference ?Koffset, and sends the ?Koffset to a terminal device, wherein the ?Koffset is used for the terminal device to update a timing offset.

Abstract: Embodiments of this application provide a timing advance determining method and a communication apparatus, to improve precision of calculating a timing advance (Timing Advance, TA) by a terminal, and reduce inter-symbol interference (Inter-Symbol Interference, ISI). The method includes: A first network device determines a first parameter based on a first delay compensation value, where the first delay compensation value is delay compensation made by the first network device for receiving a signal sent by a terminal, the first parameter indicates a difference between a round-trip delay of a feeder link in a non-terrestrial network NTN and the first delay compensation value, and the difference is used to determine a TA used by the terminal for signal sending; and the first network device sends the first parameter.

Abstract: This application provides a satellite communication method and apparatus. The method includes: A terminal device receives first indication information. The first indication information indicates a validity duration of first parameter information. The first parameter information includes at least one of the following information: a first timing advance, parameter information of the first timing advance, a first frequency offset pre-compensation, or parameter information of the first frequency offset pre-compensation. The terminal device performs uplink communication with a satellite in the validity duration based on the first parameter information. The terminal device can obtain, by receiving the first indication information, a validity duration of parameter information such as the first timing advance, the parameter information of the first timing advance, the first frequency offset pre-compensation, or the parameter information of the first frequency offset pre-compensation.

Abstract: This application provides a gateway handover method and an apparatus, to ensure the reliability of a gateway handover of a terminal device and reduce hardware overheads in a gateway handover process. The terminal device receives a synchronization signal/PBCH (physical broadcast channel) block (SSB) from a network device through a service link. The SSB includes an SSB of a source gateway and an SSB of at least one candidate target gateway. The terminal device obtains a measurement value of channel quality corresponding to the SSB of the at least one candidate target gateway, and sends a measurement result to the network device. The network device forwards the measurement result to the source gateway, which determines, based on the measurement result, whether to hand over the terminal device from the source gateway to one of the at least one candidate target gateway.

Abstract: This application provides example network resource configuration methods and apparatuses. One example method includes receiving configuration information from a network device, where the configuration information includes information of a first threshold corresponding to at least one candidate cell, and the first threshold includes at least one of a Doppler frequency shift threshold, a timing advance TA rate threshold, or a Doppler frequency shift change rate threshold. A target cell is determined from the at least one candidate cell based on the configuration information. A handover to the target cell is initiated.

Abstract: There is provided a phototherapy apparatus, in which the therapeutic light is delivered through one or more massage components. The massage component provides mechanical massage to the subject biological tissue and modifies the properties of the subject tissue in thickness, density, etc. to facilitate the absorption of the therapeutic light and enhance the effect of the phototherapy procedure. The light source of the phototherapy apparatus is actively cooled by a synthetic jet cooler.

Abstract: This application discloses a frequency compensation method and apparatus, to improve performance of frequency compensation. The method includes: determining a change rate of a Doppler frequency shift value based on a weighted change rate of a change rate of a timing advance TA, determining the Doppler frequency shift value based on the change rate of the Doppler frequency shift value, and performing frequency compensation based on the determined Doppler frequency shift value; or determining a frequency offset value based on the Doppler frequency shift value with reference to pre-compensation and based on a reference signal, to further determine a frequency offset value, and performing frequency compensation based on the frequency offset value.

Abstract: A method for comment information display includes steps described below: Comment information of a plurality of target videos in a video collection is acquired; a bullet comment file is generated according to the comment information; and in response to any target video in the video collection being played, the bullet comment file is loaded in segments according to a preset playing rule, and each piece of the comment information is displayed in a form of scrolling display of the bullet comment file.

Abstract: Disclosed is a molecular marker polymerization wheat breeding method for Fusarium head blight-resistance. The method uses an intermediate material for Fusarium head blight-resistance as a resistance source, and excellent varieties (strains) in a northern part of Huanghuai wheat production area as agronomic parents, and uses molecular marker-assisted selection and conventional breeding techniques. The molecular markers are a linked marker LJJT-1 of a Fusarium head blight-resistant gene Fhb1 and linked markers LJJ-2 and LJJ-3 of a Fusarium head blight-resistant gene Fhb2, so as to create a semi-winter Fusarium head blight-resistant breeding material with outstanding target traits and excellent comprehensive traits, which lays a material foundation for cultivating Fusarium head blight-resistant wheat varieties suitable for planting in the Huanghuai wheat production area.