Abstract: Implementations provide a feature-sampling method and apparatus, a deep learning method and apparatus, a device, and a medium.

Abstract: A multi-stage adjusting damping valve as well as a shock absorber and suspension system using the damping valve are provided. The multi-stage adjusting damping valve comprises a throttle valve, an overflow valve and a multi-stage pilot valve. The multi-stage pilot valve comprises a mechanical regulating valve and a plurality of high-speed switch electromagnetic valves having different throttle hole diameters. The damping valve is connected between a rod cavity and an oil storage cavity of the shock absorber by means of a middle cavity, and the multi-stage damping rapid regulation of the shock absorber is achieved through high-frequency opening and closing of a high-speed switching electromagnetic valve, and in comparison, the machining precision, the manufacturing cost and the control and calibration difficulty of the present disclosure are greatly reduced.

Abstract: The present disclosure discloses a DNA matrix processing method based on a combined restriction digestion mechanism, including the following steps: constructing a single auxiliary strand-mediated combined restriction digestion mechanism; introducing an auxiliary strand based on the single auxiliary strand-mediated combined restriction digestion mechanism, to obtain a dual auxiliary strands-mediated combined restriction digestion mechanism; and constructing DNA matrix processing and a weighted sum of Boolean matrix multiplication with the dual auxiliary strands-mediated combined restriction digestion mechanism; in which the two auxiliary strands are directly used as elements involved in the matrix processing, and the 2N auxiliary strands are combined into N2 four-pronged restriction digestion structures in the presence of E6 type DNAzymes to cleave N2 substrate strands. Meanwhile, due to high-efficiency catalysis and specific recognition, the E6 type DNAzymes make the matrix processing rapid and accurate.

Abstract: An article of footwear has an upper and a heel cup in a heel region of the upper. The heel cup has a first S-wave shape in a trough region of the heel cup. The first S-wave shape has a first lower concavity that has a greater depth than and a first upper concavity. The heel cup has a has a second S-wave shape in a crest region of the heel cup. The second S-wave shape has a second upper concavity that has a greater depth than a first lower concavity.

Abstract: A cable retraction apparatus comprises a box body, a housing disposed inside the box body, a cable reel configured to wind a cable and rotatably disposed inside the housing, and a guide portion disposed on the housing. The guide portion is configured to separate the cable into a cable outgoing section and a cable retraction section, with a first included angle formed between the cable outgoing section and the cable retraction section. The cable outgoing section extends to an outside of the box body. During cable retraction, the guide portion presses against the cable such that a connector of the cable returns to a preset position.

Abstract: The present disclosure provides a crystal form comprising a compound of Formula (I) and fumaric acid, wherein the crystal form satisfies at least one of the following conditions: (1) a particle size D90 of the active pharmaceutical ingredient ranges from about 5 ?m to about 60 ?m; and (2) a particle size D50 of the active pharmaceutical ingredient does not exceed about 30 ?m; a pharmaceutical composition containing the crystal form, and a method for treating coronavirus-induced diseases by using the crystal form. The crystal form of the present disclosure enables the pharmaceutical composition containing the crystal form to have advantages such as a higher dissolution rate, a higher dissolution, and the like.

Abstract: The present disclosure relates to timing advance indication methods, communication apparatuses, and storage medium. In one example method, a first device determines a quantity of extended bits and a location of the extended bit of a timing advance (TA) instruction based on a subcarrier spacing of a second device. The first device sends the TA instruction to the second device, where the TA instruction includes the extended bit, and a quantity of bits of the TA instruction is greater than 12.

Abstract: Embodiments of the present disclosure provide a data query method, a device, a system, and a storage medium. In this embodiment of the present disclosure, a data schema of target data may be constructed via a query request; and the target data is assembled according to the constructed data schema. In this way, based on the query request and the data schema, a computing operation can be performed on the target data stored in the constructed data schema to obtain a query result, thereby implementing schema on read. This data query manner does not require data to be written according to a fixed data schema, which can improve data flexibility. In addition, schema on read can satisfy computation and analysis requirements and improve data computing capability of the database.

Abstract: The present disclosure presents compositions and methods for improving cognitive function, mood and/or alertness of a human. In one embodiment, a method comprises: administering to the human in need of an improved condition an edible composition, wherein the composition comprises a combination gamma-aminobutyric acid and caffeine. The edible composition has a weight ratio of the total gamma-aminobutyric acid to the total caffeine from about 1:50 to about 10:1.

Abstract: An audio signal encoding method is provided. According to the method, if a current frame is a switching frame, a to-be-encoded downmixed signal and a to-be-encoded residual signal of the subband corresponding to the preset frequency band in the current frame are obtained based on a switch fade-in/fade-out factor of a previous frame, an initial downmixed signal and an initial residual signal of the preset frequency band of the current frame.

Abstract: The present disclosure provides for an emulsion comprising a sucrose ester, a second emulsifier, and a functional ingredient. Also provided are formulations of the disclosed emulsions with a beverage base. Beverages comprising the disclosed emulsions and methods of making them are also described.

Abstract: Provided herein are compounds, or salts, esters, tautomers, prodrugs, zwitterionic forms, or stereoisomers thereof, as well as pharmaceutical compositions comprising the same. Also provided herein are methods of using the same in modulating (e.g., inhibiting) KRAS (e.g., KRAS having a G12C mutation) and treating diseases or disorders such as cancers in subjects in need thereof.

Abstract: The present application discloses stretched films comprising regioselectively substituted cellulose esters and a component A wherein rings A, B, C, R1, R2, R5, R6, R8, R9, m, n, and k are defined herein. The films exhibit negative birefringence and improved wavelength dispersion.

Abstract: The present disclosure provides an equivalent aggregation method and an apparatus for an electro-thermal coupled virtual power plant. The method includes: obtaining an equivalence model in a heating section of the electro-thermal coupled virtual power plant by training a support vector machine; establishing a computing model for equivalent aggregation of the electro-thermal coupled virtual power plant; and realizing the equivalent aggregation of the electro-thermal coupled virtual power plant by solving the computing model for the equivalent aggregation of the electro-thermal coupled virtual power plant.

Abstract: An inverter circuit for an electric vehicle is proposed, which includes: an AC motor; a first relay, which is connected after a first phase of the AC motor; a second relay, which is connected after a second phase of the AC motor, an end of the first relay away from the first phase is electrically connected to an end of the second relay away from the second phase; a first output terminal and a second output terminal, which are configured to output alternating current; a first capacitor, which is provided between the first output terminal and second output terminal; and a third relay, which is provided between the first output terminal and a first connection point located between the second relay and second phase, and a fourth relay, which is provided between the second output terminal and a second connection point located between the first relay and first phase.

Abstract: An audio processing method, performed by a terminal, including: obtaining an audio code stream signal; and obtaining a mode selection parameter, and obtaining an output signal of a corresponding type by processing the audio code stream signal according to the mode selection parameter.

Abstract: The present invention discloses a cultivated land non-agricultural pattern spot extraction method and device fused with multi-source SAR data, and relates to the technical field of remote sensing image processing. According to the present invention, firstly, extraction of change pattern spots is performed by using SAR images, and then, the change pattern spots are classified, such that a problem that an optical image cannot be acquired in time is avoided, and meanwhile, manpower and material resources needed by field check are greatly reduced through the automatic extraction method. In addition, according to the implementation of the present invention, firstly, an SAR image coherence sequence diagram is calculated and acquired, and a requirement of true change pattern spot extraction is further divided by using a coherence coefficient, improving accuracy of a change pattern spot extraction result; and further, extracted change detection results are classified by using a high-resolution SAR image.

Abstract: This application discloses a method and system for DNA storage data reconstruction based on a non-redundant de Bruijn graph. The method includes the following steps: grouping DNA sequences with a Levenshtein distance less than or equal to a set threshold into the same clustering subgraph; connecting nodes with the smallest Levenshtein distance between DNA sequences, where the node with the highest degree represents the backbone sequence of the clustering subgraph; using the backbone sequence as a template sequence for sequencing data alignment to construct a beam search graph; performing error correction and selecting the optimal path using a beam search algorithm to obtain a consensus sequence; constructing a non-redundant De Bruijn graph; deleting nodes connected by edges with weights below a set threshold; selecting paths based on node information in the non-redundant De Bruijn graph and the consensus sequence; and sequence obtained after path selection is the reconstructed sequence.