Abstract: A method of retrieving a query, an electronic device, and a medium are provided, which relate to fields of intelligent searching, intelligent recommendation, natural language processing, etc. The method of retrieving a query includes: processing a query to be retrieved, so as to obtain a first processing result for the query to be retrieved, the first processing result containing a first text information and a first semantic information; comparing the first processing result with a second processing result of each of at least one candidate query, so as to obtain a comparison result, the second processing result containing a second text information and a second semantic information; determining a target query from the at least one candidate query based on the comparison result; and determining at least one of the target query or an answer corresponding to the target query as a retrieving result.

Abstract: The present application discloses a method and a model for controlling an energy storage system for rail transit, a device, and a storage medium. The method includes: determining an offline charging-discharging action according to a state of an energy storage system based on an offline algorithm; determining an online charging-discharging action according to the state of the energy storage system based on a deep reinforcement learning algorithm; acquiring a fusion ratio of the offline charging-discharging action to the online charging-discharging action according to a communication delay amount and a delay degree; and fusing the offline charging-discharging action and the online charging-discharging action according to the fusion ratio and outputting a fusion result to the energy storage system.

Abstract: Provided are a gesture interaction method and a gesture interaction system based on artificial reality. The method includes: determining a ray formed from a predetermined position of a hand to a finger joint when four fingers form a fist as an operation indication line, an end point of the ray being on the hand; determining a point of intersection between the operation indication line and a display surface in the artificial reality as a position of an operation icon in the artificial reality; controlling the operation icon to move correspondingly in response to detecting that the four fingers form the fist and move, to move the operation icon in the display surface to a target key; and determining, in response to detecting an action of a thumb of the hand touching an index finger, that the operation icon clicks on the target key to complete an interaction.

Abstract: A computing system including one or more processing devices configured to detect a congestion condition occurring at a first storage node located in a storage network of a distributed storage system. The one or more processing devices are further configured to obtain respective first access rate data for a first plurality of data objects stored at the first storage node. Based at least in part on the first access rate data, the one or more processing devices are further configured to flag a first data object as a high-access-rate data object. The one or more processing devices are further configured to compute a transfer path between the first storage node and a second storage node in the storage network. The one or more processing devices are further configured to transfer the high-access-rate data object from the first storage node to the second storage node along the transfer path.

Abstract: This application provides an information obtaining method that includes: A mobile relay device moves to a permitted area in which the mobile relay device is allowed to use a relay function, where the permitted area is a cell covered by a donor base station. The mobile relay device obtains, in the permitted area, a physical cell identifier PCI of a relay cell via which the relay function is provided for a terminal device, where the relay cell is a cell accessed by the terminal device. In this way, the mobile relay device can obtain the PCI, and provide a relay service for the terminal device served by the mobile relay device.

Abstract: A projection screen includes an optical collimating layer and a surface diffusion layer which are arranged in sequence. A grating absorption layer for absorbing ambient light from various directions except a projection light direction is also provided between the optical collimating layer and the surface diffusion layer. The grating absorption layer includes a plurality of light-absorption ring-shaped units with different radii. The plurality of light-absorption ring-shaped units are arranged in a concentric ring. Each of the light-absorption ring-shaped units consists of a plurality of gratings arranged in the circumferential direction of the concentric ring. By taking a vertical symmetrical center line of the projection screen as a center, in a direction extending along the circumferential direction of the concentric ring to the left side and the right side of the projection screen, the distance between two adjacent gratings in the same light-absorption ring-shaped unit gradually increases.

Abstract: A tab limiting sheet, a top cover assembly, and a battery are provided. The battery is insulated and disposed between a cell body and two tab bodies. The tab limiting sheet includes a first mounting part, a connecting assembly, and a second mounting part. The connecting assembly includes an elastic element and a first support element. Both ends of the elastic element are respectively connected with the first mounting part and the second mounting part. The first support element includes a first supporting part connected with the first mounting part and a second part connected with the second mounting part. When the elastic element is in a natural state, the first supporting part and the second supporting part are spaced in the first direction. When the elastic element is squeezed to a maximum deformation state, the first supporting part is tightly abutted against the second supporting part.

Abstract: Disclosed a method for predicting permeability of a multi-mineral phase digital core based on deep learning. In the present disclosure, a three-dimensional digital core is constructed and a pore structure is randomly generated; after a plurality of multi-mineral digital core images is acquired by performing image segmentation on the three-dimensional digital core, permeability corresponding to each of the multi-mineral digital core images is acquired by simulation using multi-physics field simulation software and a multi-mineral digital core data set is constructed based on the plurality of multi-mineral digital core images and the permeability corresponding to each of the multi-mineral digital core images; an SE-ResNet18 convolutional neural network is constructed and trained with the multi-mineral digital core data set; and an image of a multi-mineral core to be predicted is input into the trained SE-ResNet18 convolutional neural network to determine the permeability of the multi-mineral core.

Abstract: Embodiments of the disclosure provide devices and methods for performing a top-k function. The device can include: a memory comprising a plurality of register files for storing the data elements, the plurality of register files comprising a parent register file and a first child register file associated with the parent register file, wherein the parent register file is associated with: first interface circuitry configured for reading a first parent data element from the parent register file and receiving a first child data element and a second child data element from the first child register file; and first comparison circuitry configured for updating the parent register file and the first child register file based on the first parent data element, the first child data element, and the second child data element according to a given principle.

Abstract: Disclosed are a Nested Named Entity Recognition method based on part-of-speech awareness, system, device and storage medium therefor. The method uses a BiLSTM model to extract a feature of text word data in order to obtain a text word depth feature, and each text word of text to be recognized is initialized into a corresponding graph node, and a text heterogeneous graph of the text to be recognized is constructed according to a preset part-of-speech path, the text word data of the graph nodes is updated by an attention mechanism, and the features of all graph nodes of the text heterogeneous graph are extracted using the BiLSTM model, and a nested named entity recognition result is obtained after decoding and annotating. The present disclosure can recognize ordinary entities and nested entities accurately and effectively, and enhance the performance and advantages of the nested named entity recognition model.

Abstract: The present disclosure provides an ecological governance method based on erosion prevention and control for a gentle slope farmland and relates to the technical field of ecological governance of farmlands. The ecological governance method based on erosion prevention and control for a gentle slope farmland includes the following steps: sampling a gentle slope farmland to investigate erosion thereof; and determining erosion of a gentle slope cultivated land and selecting a corresponding recovery strategy based on a detection result of a sample, a soil quality index (SQI), and a comprehensive vegetation quality index (VQI), where the recovery strategy includes a natural recovery method and a biological-farming comprehensive recovery method; enclosing the gentle slope cultivated land, fallowing the gentle slope cultivated land and reducing tillage; exterminating insect pests and poisonous weeds in the enclosed area; and turning over straws under soil by a cultivator. The growth of poisonous weeds is inhibited.

Abstract: A control method, device, apparatus and storage medium for a supercapacitor energy storage device is provided, where the method includes: collecting life characterization parameters of the supercapacitor energy storage device and performing life evaluation to obtain a life evaluation result, inputting the life evaluation result into a constructed fuzzy rule base, and outputting a constraint condition adjustment parameter; obtaining a constraint condition according to the constraint condition adjustment parameter, and optimizing control parameters using a genetic algorithm in conjunction with an optimized objective function to obtain first control parameters; and controlling charging and discharging currents of the supercapacitor energy storage device using a droop control method according to the first control parameters.

Abstract: A chimeric lysozyme variant has an improved heat resistance and is encoded by a polynucleotide. A novel chimeric lysozyme sequence is constructed, and high-efficiency expression in a host cell is achieved. The thermal stability of the chimeric lysozyme under the condition of 60° C. is nearly doubled compared to a parental sequence. The chimeric lysozyme variant can be used to prepare product that is antibiotic, for example, animal feed additive containing the chimeric lysozyme variant and an animal feed containing the animal feed additive.

Abstract: The present application provides a splicing display unit and a display screen, in order to visually eliminate the seam, improve the user's visual effect on splicing screens, and achieve a subjective visual feeling for the user as if there was no seam. The display screen includes a plurality of display modules and a plurality of optical structures, the plurality of display modules and the plurality of optical structures being closely arranged; each of the display modules includes a display area and a black edge area arranged around the display area, black edge areas of adjacent two display modules are spliced together to form a seam; one end of the first surface of the optical structure close to the seam is a first arc surface, and the first arc surface is configured to refract light emitted from the display area of the display module, and then distribute the refracted light in a front-view area corresponding to the seam.

Abstract: An ambulance-type mobile catheter room for cardiovascular interventional surgery enables interventional diagnosis and treatment devices for acute and severe cardiovascular diseases to be deployed quickly, is flexible and high in adaptability, and provides hardware devices for cardiovascular diagnosis and treatment interventional surgeons to timely diagnose and treat patients. The ambulance-type mobile catheter room for cardiovascular interventional surgery includes an ambulance. The ambulance is internally provided with an antibacterial internal environment, a robotic angiography machine system, a wireless medical Internet of Things system, a self-generating system and an auxiliary system.

Abstract: A message transmission method includes receiving, by a second device, a first message sent by a first device. The first message indicates at least one of the following: a sensing resolution related requirement; a sensing distance related requirement; a sensing area related requirement; a sensing object related requirement; a sensing error related requirement; a sensing signal quality related requirement; or a sensing delay related requirement.

Abstract: A system and method are provided for data fusion between portable electronic devices and wearable accessories that is used to improve location information, particularly with respect to vertical location. A barometer sensor in a wearable accessory is used to obtain relative accurate height information, and an ultra wide band (UWB) radio is used to determine the distance between the wearable accessory and the portable electronic device. At a second timestamp, a barometer in a wearable device is used to calculate a difference in elevation between the first timestamp and the second timestamp. This measurement, along with a measured distance between the devices, can be used to accurately determine elevation. The wireless accessory and the portable electronic device communicate the obtained height and distance information. Accordingly, accurate navigation signals may be provided, even where multiple levels of roadways overlap, such as in parking garages or complex highway interchanges.

Abstract: This disclosure relates to a method and an apparatus for processing a sample. The method includes acquiring an identification of each cassette in a basket and an identification of each sample contained in the cassette by reading an electronic tag of the cassette, wherein the identification of the cassette and the identification of the sample contained in the cassette are stored in an associated manner in the electronic tag of the cassette; acquiring information of each sample from a library information system based on the identification of the sample; and recording the information of each sample for use in subsequent processing of the sample.

Abstract: A multi-modal pre-training model acquisition method, an electronic device and a storage medium, which relate to the fields of deep learning and natural language processing, are disclosed. The method may include: determining, for each image-text pair as training data, to-be-processed fine-grained semantic word in the text; masking the to-be-processed fine-grained semantic words; and training the multi-modal pre-training model using the training data with the fine-grained semantic words masked.

Abstract: One of the problems solved by an embodiment of the present invention is to solve the problem of light leakage. A light shielding component according to the present invention comprising a covering portion, and a snap-fit portion, wherein the covering portion is used to cover a light guide to block the transmission of light rays; and the snap-fit portion comprises at least one slot, which is used to fix the light shielding component. Compared with the prior art, the advantage of the solution of the present invention is that by using a light shielding component, the light beam leakage is better blocked, and a better visual effect is achieved.