Abstract: This application provides picture or audio encoding and decoding methods and apparatuses, and relates to the field of artificial intelligence (AI)—based picture or audio encoding and decoding technologies, and specifically, to the field of neural network-based picture feature map or audio feature variable encoding and decoding technologies. The encoding method includes: obtaining a to-be-encoded target, where the to-be-encoded target includes a plurality of feature elements, and the plurality of feature elements include a first feature element. The method further includes: obtaining a probability estimation result of the first feature element; determining, based on the probability estimation result of the first feature element, whether to perform entropy encoding on the first feature element; and performing entropy encoding on the first feature element only when it is determined that entropy encoding needs to be performed on the first feature element.

Abstract: Embodiments of the disclosure provide a method and apparatus for running a service, and an electronic device. An embodiment of the method includes: determining a target deployment manner of a graphics processing unit (GPU) according to performance data of each service in a service set, where the deployment manner includes: dividing the GPU into sub-GPUs of a respective size and determining a service configured to be run by each sub-GPU; and switching, for the service in the service set, running of the service from a sub-GPU indicated by a current deployment manner to a sub-GPU indicated by the target deployment manner. According to the embodiment, waste of the GPU can be reduced by running a plurality of services on the GPU.

Abstract: This disclosure discloses a timer processing method, an apparatus, an electronic device, and a computer-readable storage medium. The timer processing method includes: determining a type of a timer used by a physical machine before a virtual machine starts, wherein the virtual machine runs on the physical machine; determining a first time and a first deadline of the virtual machine which are before the virtual machine starts; in a case where the timer used by the physical machine is a first-type timer, adjusting a time of the first-type timer to a second time corresponding to the first time and adjusting a deadline of the first-type timer to a second deadline corresponding to the first deadline to obtain an adjusted first-type timer; and configuring the adjusted first-type timer as a timer of the virtual machine.

Abstract: A semantic parsing method includes extracting, by a first server, a first entity of a first slot from a first user sentence, modifying the first entity to a second entity of a second slot when the first entity is a pronoun, sending a first server request to a second server, and obtaining a first service result from the second server in response to the first service request. The first service request includes indication information of a first intention and the first entity, the second server is an application server that provides a first skill, and the first service result is based on the first intention and the first entity. The first server returns the first service result to a device to output by the device.

Abstract: Systems and methods for detecting motile objects (e.g., parasites) in a fluid sample by utilizing the locomotion of the parasites as a specific biomarker and endogenous contrast mechanism. The imaging platform includes one or more substantially optically transparent sample holders. The imaging platform has a moveable scanning head containing light sources and corresponding image sensor(s) associated with the light source(s). The light source(s) are directed at a respective sample holder containing a sample and the respective image sensor(s) are positioned below a respective sample holder to capture time-varying holographic speckle patterns of the sample contained in the sample holder. The image sensor(s). A computing device is configured to receive time-varying holographic speckle pattern image sequences obtained by the image sensor(s). The computing device generates a 3D contrast map of motile objects within the sample use deep learning-based classifier software to identify the motile objects.

Abstract: A battery cell includes an electrode sheet. The electrode sheet includes an electrode sheet body and a plurality of tabs connected to the electrode sheet body. The width of each of the plurality of tabs is different from one another; or the length of each of the plurality of tabs is different from one another. The electrode sheet and the battery cell having the electrode sheet ensures that each of the tabs in the electrode sheet can electrically conduct well with the tab lead. Thus, the battery cell has the advantage of good electrical conductivity.

Abstract: Embodiments of present disclosure relate to a direct current circuit breaker and a protection system. The direct current circuit breaker comprises a switch module comprising a first switch and a second switch connected in series between a first terminal of the direct current circuit breaker and a second terminal of the direct current circuit breaker; a current injecting module comprising an inductor, a current injecting switch, and a capacitor connected in series between the first terminal of the direct current circuit breaker and an intermediate node between the first switch and the second switch; an energy absorbing module connected in parallel with the current injecting switch and the capacitor or in parallel with the first switch and configured to limit a voltage across the capacitor to a predetermined level; and a pre-charge module connected in parallel with the capacitor and configured to pre-charge the capacitor.

Abstract: An apparatus includes a temperature sensor configured to measure a temperature of a dry-type transformer, and the temperature sensor is arranged on or proximate a conductor of the dry-type transformer and is covered by an insulating layer of the conductor. The apparatus further includes a passive wireless communication module configured to transmit the measured temperature to a reader. The temperature of the dry-type transformer can be measured accurately, thereby improving the reliability and safety of the dry-type transformer. Accordingly, temperature measurement for the dry-type transformer can work appropriately in a cost-effective and efficient way.

Abstract: The embodiments of the present application relate to an electrode sheet and a battery cell including the same. The electrode sheet according to an embodiment comprises an electrode sheet body and a plurality of tabs connected to the electrode sheet body. The width of each of the plurality of tabs is different from one another; or the length of each of the plurality of tabs is different from one another. The electrode sheet and the battery cell provided in the embodiments of the present application ensure that each of the tabs in the electrode sheet can electrically conduct well with the tab lead. Thus, the battery cell provided in the present application has the advantage of good electrical conductivity.

Abstract: A jelly-roll type electrode assembly includes an electrode plate and a separation layer disposed on at least one surface of the electrode plate. A bonding force of the separation layer to a surface of the electrode plate in a first region of the jelly-roll type electrode assembly is greater than a bonding force of the separation layer to the surface of the electrode plate in a second region of the jelly-roll type electrode assembly. In this way, the bonding force of the separation layer to the surface of the electrode plate in the first region in the jelly-roll type electrode assembly is relatively high. When the electrode plate in the second region is stressed, a slight slip can occur between layers to release the stress, alleviating deformation of the electrochemical device caused by stress concentration.

Abstract: An electrochemical apparatus includes a first electrode plate, a first terminal, and a second tenninal. The first electrode plate includes a composite current collector, and the composite current collector includes a base layer, a first conductive layer, and a second conductive layer, where the first conductive layer includes a first zone and a second zone, and the first terminal and the second terminal are electrically connected to the first zone. In the electrochemical apparatus and the electric device provided in this application, a heating zone is provided on the composite current collector to connect a heating circuit, a method to introduce a heating structure is optimized, thereby effectively alleviating many problems caused by existing heating methods.

Abstract: An electrochemical apparatus, including two electrode assemblies and a packaging shell, where the two electrode assemblies are respectively disposed in independent cavities in the packaging shell; each electrode assembly includes two tabs with opposite polarities, where at least one tab of one electrode assembly is connected to one of two tabs of the other electrode assembly, and orthographic projections of the two connected tabs along a seal thickness direction Z overlap to form a tab overlapping region; and a ratio ? of an overlapping width of the two connected tabs along a seal length direction X at an outer edge of a seal of the packaging shell viewed along the seal thickness direction Z to a width of either of the two connected tabs satisfies 40%<??100%. The electrochemical apparatus not only implements high-voltage output, but also improves packaging reliability of a tab region during the high-voltage output.

Abstract: An electrochemical apparatus includes an electrode assembly. The electrode assembly includes a first electrode plate, a first separation layer, a second electrode plate, and a second separation layer. Along a first direction, the first separation layer includes a first protruding portion extending beyond the second electrode plate, and the second separation layer includes a second protruding portion extending beyond the second electrode plate. The first protruding portion includes a first bonding area, the second protruding portion includes a second bonding area, and adhesion between the first bonding area and the second bonding area is F1, where F1?5 N/m. Separation layers on two sides of an electrode plate are bonded to prevent the separation layers from shrinking at high temperatures or prevent the separation layers from turning inward at edges due to impact from an electrolyte when the electrochemical apparatus falls, thereby preventing a short circuit.

Abstract: A basic insulating plug and an electric system. The basic insulating plug includes an insulating housing, a first conductor, a first RFID tag and insulating filler. The first conductor includes a first end arranged in the insulating housing. The first RFID tag is located at an end surface of the first end or on a lateral side of the first conductor. The first RFID includes a temperature sensor configured to measure a temperature of the first conductor, an integrated circuit coupled to the temperature sensor and configured to receive a signal indicative of the temperature from the temperature sensor, and an antenna coupled to the IC and configured to transmit temperature data based on the signal and receive electric power for powering the RFID tag. The insulating filler is adapted to fix the first RFID to the first conductor by filling a void between the first conductor and an internal surface of the insulating housing.

Abstract: A classification model can be trained by using an augmented scene. The augmented scene may be generated by placing augmentation objects into a simulated scene that is a virtual representation of a real-world scene. The augmentation objects are virtual objects representing a category for which a reference classification model has a poor performance. The reference classification model may be a simulated model trained by using a simulated scene or a real-world model trained by using a real-world scene. A training set, which includes simulated sensor data of the augmentation objects and labels of the augmentation objects, can be used to train the augmented model. The augmented model can be used by an AV to classify objects in the surrounding environment of the AV. The augmented model can have a better accuracy in classifying objects in the category than the reference classification model.

Abstract: A current collector, an electrochemical device containing the current collector, and an electronic device. The current collector includes a polymer substrate material and a conductive material. An electron resistivity of the current collector in an X-Y in-plane direction is 10 ?·cm to 1000 ?·cm, and an electron resistivity of the current collector in a Z direction is 0.01 ?·cm to 30 ?·cm. The current collector according to this application is excellent in oxidation resistance, reduction resistance, ionic insulation, mechanical strength, thermal stability, increases the energy density of bipolar electrochemical devices, and is more cost-effective and more suitable for mass production.

Abstract: A bipolar current collector includes a porous substrate, a first metal, and a second metal. The first metal exists on one surface of the porous substrate. The second metal exists on another surface of the porous substrate. At least one of the first metal or the second metal exists inside the porous substrate. The porous substrate possesses advantages of oxidation resistance, reduction resistance, and ion insulation, and some mechanical strength. A metal layer of the bipolar current collector possesses advantages of high electron conductivity and ion insulativity, high mechanical strength, and high thermal stability. In addition, both surfaces of the bipolar current collector are rough to some extent, thereby optimizing interfacial bonding of positive and negative films on both sides to a composite bipolar current collector, and increasing the bonding force of the film.

Abstract: A partition plate includes a partition substrate, a positive electrode membrane, a negative electrode membrane, and an insulation layer. The positive electrode membrane and the negative electrode membrane are respectively located on two surfaces of the partition substrate. The insulation layer is disposed on the partition substrate and the insulation layer is disposed at a periphery of the positive electrode membrane. A zone surrounded by orthographic projection of an outer edge of the insulation layer on the partition substrate covers orthographic projection of the negative electrode membrane on the partition substrate. This application can improve self-discharge and safety performances of electrochemical apparatuses.

Abstract: A method specifically includes, in a human-computer dialog interaction process, when a server performs slot extraction on user discourse, if there is a slot corresponding to which information fails to be extracted and the slot is an optional key slot, the server asks the user a question to determine whether the information corresponding to the slot is necessary. If the information is necessary, the server further extracts the information corresponding to the slot. If the information is unnecessary, the server does not extract the information corresponding to the slot.

Abstract: An electrochemical device includes electrode plates and a separation layer formed on a surface of an electrode plate. The separation layer includes a porous layer formed on the surface of the electrode plate. The porous layer includes nanofibers. It takes 15 seconds or less for an electrolytic solution to infiltrate into the separation layer. The separation layer exhibits functions of a separator. Therefore, the electrochemical device achieves at least a relatively high energy density without using a stand-alone separator.