Abstract: The disclosure relates an Al—Mg series aluminum alloy sheet, a preparation method and use thereof. The preparation method includes: step S1, melting and casting the alloy raw materials in sequence to obtain an aluminum alloy ingot; step S2, subjecting the aluminum alloy ingot to a two-stage homogenization treatment so as to obtain a homogenized aluminum alloy ingot; and step S3, subjecting the homogenized aluminum alloy ingot to hot rolling, primary cold rolling, intermediate annealing, final cold rolling, and finished product annealing in sequence to obtain the aluminum alloy sheet.

Abstract: This application discloses a NB-IoT-based communication method and an apparatus, to evolve a NB-IoT communication technology into an NTN. The method is as follows: A terminal device generates an uplink signal, including a superframe which includes a synchronization sequence located in first duration of the superframe and a data frame located in second duration which is after the first duration, the synchronization sequence successively includes a first sequence repeated Ni times and a second sequence repeated N2 times, the second sequence is obtained by multiplying the first sequence by ?1, a part of consecutive sequences of the synchronization sequence are used as a first synchronization reference sequence that is obtained based on the second sequence repeated N2 times and one or more first sequences that are sorted from back to front in the first sequence repeated N1 times. The terminal device sends the uplink signal to a network device.

Abstract: The present invention discloses an instrument recognition method based on an improved U2 network. The method includes: replacing common convolution of each layer with grouped convolution Grouped Cony on a basis of an RSU, and segmenting a dial plate and a pointer by using the network; performing noise reduction processing on the scale value array by using a mean filter; and determining a position of a scale value corresponding to the pointer by using a peak value, and outputting a reading according to the scale value and preset data. A pointer-type instrument is segmented by using the improved U2 network, and automatic reading of the obtained dial plate is implemented by using a conventional computer vision method. Therefore, compared with manual reading, the method has advantages of high precision, high reliability, fast reading, low costs, and the like, and working efficiency can be greatly improved.

Abstract: This application provides techniques for generating audio and video materials.

Abstract: A backpack blower includes a blower device, a power supply, and a backpack device. The backpack device includes a device body and a strap assembly. The strap assembly is worn by a user. The strap assembly has a first center plane, and the center of gravity of the power supply and the blower device are separately located on two sides of the first center plane.

Abstract: Embodiments of this application provide a parameter adjustment method, a display control method, and an electronic device. The electronic device includes a front camera and a display screen, and the front camera is configured to run based on an initial exposure parameter that matches an ambient light brightness in response to a first instruction, to capture an image. The parameter adjustment method includes: obtaining, when the display screen displays data, an image captured by the front camera; calculating an image brightness of the image by using image data of the image, adjusting the initial exposure parameter based on a difference between the image brightness of the image and a standard brightness, to obtain an exposure parameter adjustment value, the exposure parameter adjustment value being configured for the front camera to run based on the exposure parameter adjustment value in response to a second instruction, to capture an image.

Abstract: Aspects of the present disclosure relate to a text labeling method and device, and more specifically to the field of deep learning and solving the problem of low efficiency and low accuracy of a feature extraction process. The method can include processing input information to obtain word embedding representation information of the input information, performing dynamic convolution feature extraction on the word embedding representation information to obtain a classification result of each character from the word embedding representation information, and inserting a label into the input information based on the classification result.

Abstract: Disclosed are compounds of Formula (I), methods of using the compounds as immunomodulators, and pharmaceutical compositions comprising such compounds. The compounds are useful in treating, preventing or ameliorating diseases or disorders such as cancer or infections.

Abstract: A blower includes an air tube, an electric motor, a fan, a housing, and a circuit board. The air tube is provided with an air duct extending along a first straight line. The electric motor is arranged in the air duct. The fan is operative to be driven by the electric motor. The housing is provided with a handle configured to be held by a user and a joining portion configured for connecting to a power source. And the circuit board is electrically connected to the electric motor. The air tube is provided with an air inlet at one end of the air duct and an air outlet at another end of the air duct. The fan is arranged in the air duct, and when the fan rotates, a blowing airflow entering the air duct from the air inlet is generated.

Abstract: This application provides an exposure parameter adjustment method, device, and storage medium. The method includes: obtaining a face box of a first-frame image and a second-frame image, where the face box of the first-frame image is used to indicate a region of a face in the first-frame image, and the second-frame image is a next-frame image of the first-frame image; correcting the face box of the first-frame image to obtain a second-face box; cropping the second-frame image based on the second-face box to obtain a face image of the second-frame image; and adjusting an exposure parameter based on the face image of the second-frame image. In this solution, a face box of a previous-frame image is first corrected, then a face image is cropped by using the second-face box, so that a face image obtained through cropping and an actual face region in an image that is cropped are consistent.

Abstract: Disclosed are compounds of Formula (I?), methods of using the compounds as immunomodulators, and pharmaceutical compositions comprising such compounds. The compounds inhibit PD-1/PD-L1 interaction and are useful in treating, preventing or ameliorating diseases or disorders such as cancer or infections.

Abstract: A blower includes a motor, a fan driven by the motor to rotate about a first axis, a power supply device, and a housing assembly accommodating the motor and including an inner duct and an outer duct assembly. The inner duct is formed with an inner air inlet. The outer duct assembly surrounds the inner duct. The outer duct assembly includes an outer duct and a hood, where the outer duct is disposed on a front side of the hood, an outer air outlet is formed at an end of the outer duct facing away from the hood, an outer air inlet is formed on the hood and has a front end portion and a rear end portion along a direction of the first axis, and the inner air inlet is disposed between the front end portion and the rear end portion along the direction of the first axis.

Abstract: The present application provides bicyclic amines of Formula (I): and their pharmaceutically acceptable salts thereof, that are inhibitors of cyclin-dependent kinase 2 (CDK2), as well as pharmaceutical compositions thereof, and methods of treating cancer using the same.

Abstract: An intelligent power distribution device is provided, which includes a power distribution diagnosis module and a power distribution monitoring module. The power distribution monitoring module includes a power measuring and controlling instrument. The power measuring and controlling instrument is configured to connect to a power supply line to be protected, and measure power data of the power supply line. The power distribution diagnosis module is connected to the power measuring and controlling instrument, and is configured to analyze the power data uploaded by the power measuring and controlling instrument, and protect the power supply line when it is determined based on an analysis result that the power supply line requires protection. Based on the analysis result of the power data of the power supply line, the intelligent power distribution device can protect the power supply line precisely and accurately, thereby improving protection effect of the power supply line.

Abstract: Disclosed are compounds of Formula (I?), methods of using the compounds as immunomodulators, and pharmaceutical compositions comprising such compounds. The compounds are useful in treating, preventing or ameliorating diseases or disorders such as cancer or infections.

Abstract: The present application provides imidazolyl pyrimidinylamine inhibitors of cyclin-dependent kinase 2 (CDK2), as well as pharmaceutical compositions thereof, and methods of treating cancer using the same.

Abstract: A method for compressing a neural network model includes: obtaining a first trained teacher model and a second trained teacher model based on N training samples, N being a positive integer greater than 1; for each of the N training samples, determining a first guide component of the first teacher model and a second guide component of the second teacher model respectively, determining a sub optimization target corresponding to the training sample and configured to optimize a student model according to the first guide component and the second guide component, and determining a joint optimization target based on each of the N training samples and a sub optimization target corresponding to the training sample; and training the student model based on the joint optimization target.

Abstract: The present application provides bicyclic amines of Formula (I): or a pharmaceutically acceptable salt thereof, that are inhibitors of cyclin-dependent kinase 2 (CDK2), as well as pharmaceutical compositions thereof, and methods of treating cancer using the same.

Abstract: A training method for a machine translation model, includes: obtaining a multi-domain mixed training data set; performing data domain classification on a plurality of training data pairs in the training data set to obtain at least two domain data subsets; based on each domain data subset, determining at least two candidate optimization targets for the domain data subset, and training at least two candidate single domain models corresponding to each domain data subset based on the at least two candidate optimization targets, respectively; testing the at least two candidate single domain models corresponding to each domain data subset separately, and selecting a candidate optimization target with a highest test accuracy as a designated optimization target for the domain data subset; and training a hybrid domain model based on each domain data subset in the training data set and the designated optimization target corresponding to each domain data subset.