Abstract: Provided are a method and an apparatus for executing a quantitative trading strategy, for executing the quantitative trading strategy through a graphical interface, without requiring a user to have a capability of writing program codes, thereby improving the user experience. The method for executing the quantitative trading strategy includes: displaying a graphical interface including an execution area; obtaining a first instruction inputted by a user; obtaining a first quantitative trading strategy in response to the first instruction, the first quantitative trading strategy including at least one parameter related to a real market operation; adding the first quantitative trading strategy to the execution area to form a first execution record corresponding to the first quantitative trading strategy; and executing, based on the first execution record, the first quantitative trading strategy to obtain execution information of the first quantitative trading strategy.

Abstract: A reply content processing method including obtaining to-be-replied interactive content for media content, performing encoding processing on description content of the media content and the to-be-replied interactive content to obtain a vectorized representation of each word in the description content and the to-be-replied interactive content, and performing style recognition based on the vectorized representation of each word in the description content and the to-be-replied interactive content to obtain a first style category set, performing style recognition based on release party information of the to-be-replied interactive content to obtain a second style category set, determining a third style category set to which the to-be-replied interactive content belongs, determining a style category vector corresponding to each style category in the third style category set, and performing reply word prediction based on the description content, the to-be-replied interactive content, and the style category vector to

Abstract: A porous ceramic liquid transfer unit comprises a ceramic body and a support portion extending downward from the ceramic body. The ceramic body comprises at least two protruding portions connected into a whole through a connecting portion. A liquid transfer channel is arranged in each of the protruding portions. The heating unit is attached to bottoms of the liquid transfer channels. An electronic atomization device comprises an atomizer housing. The porous ceramic atomization core is arranged in the atomizer housing. The support portion extends downward from the ceramic body to support the ceramic body, thus preventing the ceramic body from being fractured, and condensate formed on the support portion can be absorbed to be recycled; and multiple protruding portions are arranged on the ceramic body, and the liquid transfer channels are arranged in the protruding portions to feed liquid quickly to improve the liquid transfer efficiency, thus optimizing the atomization effect.

Abstract: Display terminals and display panels are provided. The display panel includes a substrate and at least one retaining wall. The retaining wall is disposed on the substrate and outside a display area of the display panel, and surrounds the display area. The retaining wall includes a first retaining wall layer and a second retaining wall layer stacked on the first retaining wall layer and disposed on a side of the first retaining wall away from the substrate. An area of an orthographic projection of the second retaining wall layer on the substrate is less than an area of an orthographic projection of the first retaining wall layer on the substrate, and a horizontal distance between a boundary of the second retaining wall layer away from the display area and a boundary of the first retaining wall layer away from the display area is greater than a first threshold.

Abstract: In a circuit layout processing method, an initial circuit layout of a chip is obtained. The initial circuit layout includes initial position information of a line in the chip. A correction value of the line is obtained. The correction value is set based on an etching processing error of the chip. A boundary of the line in the initial circuit layout is corrected based on the initial position information and the correction value to obtain a corrected circuit layout.

Abstract: The present disclosure provides a transmitter used for lidar and a lidar, including: a laser surface light source configured to emit an initial beam with an initial divergence angle; a first metalens configured to enable the initial beam to pass through the first metalens and configured to modulate the initial beam with the initial divergence angle into a first beam with a first divergence angle; a second metalens configured to enable the first beam to pass through the second metalens and configured to modulate the first beam with the first divergence angle into a second beam with a second divergence angle, wherein the second beam is configured to generate point clouds or multiple lines in a far field; and wherein, the first metalens is arranged between the second metalens and the laser surface light source.

Abstract: An audio processing method/apparatus including performing multichannel signal decomposition on an audio signal to obtain N subband signals of the audio signal, the frequency bands of the N subband signals increase sequentially and N is an integer greater than 2, performing signal compression on each subband signal of the N subband signals to obtain a subband signal feature of each subband signal; and performing quantization encoding on the subband signal feature of each subband signal to obtain a bitstream of each subband signal.

Abstract: An audio processing method and apparatus, including decomposing an audio signal into a low-frequency subband signal and a high-frequency subband signal, obtaining a low-frequency feature of the low-frequency subband signal, obtaining a high-frequency feature of the high-frequency subband signal, feature dimensionality of the high-frequency feature being lower than feature dimensionality of the low-frequency feature, performing quantization encoding on the low-frequency feature to obtain a low-frequency bitstream of the audio signal, and performing quantization encoding on the high-frequency feature to obtain a high-frequency bitstream of the audio signal.

Abstract: The present disclosure relates to a training method for a parameter configuration model, a parameter configuration method, and a parameter configuration device.

Abstract: Touch display panels and touch display devices are provided. The touch display panel includes a display module and a touch module disposed on a light-emitting side of the display module. The touch module includes a first touch metal layer, an interlayer insulating layer, a second touch metal layer, and an organic protective layer disposed on the display module in sequence. The display module includes a plurality of light-emitting areas arranged in an array. The organic protective layer is provided with a plurality of micro-lens structures on a side away from the display module and arranged in one-to-one correspondence with the plurality of light-emitting areas. The micro-lens structure includes at least one convex surface protruding in a direction away from the display module.

Abstract: The present invention relates to the technical field of microorganisms, and specifically to engineered microorganisms expressing acetoacetyl-CoA reductase variants and methods for increasing the proportion of 3-hydroxyhexanoic acid in PHA. The acetoacetyl-CoA reductase variants and their coding genes provided by the present invention can significantly increase the proportion of 3-hydroxyhexanoic acid in PHA produced by strains; the proportion of 3-hydroxyhexanoic acid in PHA produced by the engineered Ralstonia eutropha constructed utilizing the acetoacetyl-CoA reductase variants and their coding genes provided by the present invention is significantly increased, which provides new genes and strain resources for strains producing poly(3-hydroxybutyrate-co-3-10 the development of engineered hydroxyhexanoate) with high proportion of 3-hydroxyhexanoic acid.

Abstract: The present utility model relates to the technical field of flying discs, particularly to a light-emitting flying disc, including a disc body. A mounting slot is provided at the center of the bottom of the disc body, a light strip slot is provided at the periphery of the mounting slot, a power supply assembly is mounted in the mounting slot, an LED light strip is mounted in the light strip slot, the LED light strip is electrically connected to the power supply assembly, and a bottom cover for covering the mounting slot and the light strip slot is further mounted at the bottom of the disc bottom. By mounting a light strip at the bottom of the flying disc, the present utility model enables the flying disc to be used in a place where the field of view is unclear to expand the use scene of the flying disc.

Abstract: Embodiments of the present disclosure provide a piezoelectric transducer. The piezoelectric transducer may include a piezoelectric layer and an electrode. The electrode may cover at least one surface of the piezoelectric layer, and the electrode or the piezoelectric layer may include a plurality of concave structures recessed in a thickness direction of the electrode or the piezoelectric layer.

Abstract: An adaptive display method and apparatus for a virtual scene, an electronic device, a computer-readable storage medium, and a computer program product are provided, and the method includes: displaying a virtual scene and a plurality of buttons with different sizes; obtaining, in response to touch operations on the plurality of buttons with different sizes, touch areas corresponding to the touch operations; and updating and displaying the virtual scene, sizes of buttons included in the updated virtual scene being adapted to the touch areas corresponding to the touch operations.

Abstract: The present disclosure provides an earphone including a core module. The core module may include a core housing and a core. The core housing may include a bottom wall and an annular peripheral wall. When a user wears the earphone, the bottom wall may face the head of the user. One end of the annular peripheral wall may be integrally connected with the bottom wall, the other end of the annular peripheral wall that is away from the bottom wall includes an opening, and the core may be disposed in the core housing through the opening. The core may include a magnet configured such that the core module is attachable to a magnetic object through one side of the bottom wall.

Abstract: A lumen stent preform is provided using a plasma nitriding technology, a preparation method thereof, a method for preparing a lumen stent by using the preform, and a lumen stent obtained according to the method. The preform is manufactured by using pure iron or an iron alloy containing no strong nitrogen compound, has a hardness of 160-250 HV0.05/10, and has a microstructure that is a deformed structure having a grain size scale greater than or equal to 9 or a deformed structure after cold machining. Alternatively, the preform is an iron alloy containing a strong nitrogen compound, and has a microstructure that is a deformed structure having a grain size scale greater than or equal to 9 or a deformed structure after cold machining. The lumen stent preform meets the requirements of a conventional stent for radial strength and plasticity, so that plasma nitriding is applicable to commercial preparation of a lumen stent.

Abstract: The disclosure provides a compound, a composition, and an organic electronic device. The compound is represented by formula (1): Ar1 is selected from an aromatic group containing 6 to 18 ring atoms and a heteroaromatic group containing 6 to 13 ring atoms; Ar2 is selected from an aromatic group containing 6 to 14 ring atoms and a heteroaromatic group containing 13 to 19 ring atoms; L1 and L2 are each independently selected from a single bond and a group containing 6 ring atoms; R1 and R2 are each independently selected from -D, a C4 alkyl group, an aromatic group containing 6 to 10 ring atoms, and a heteroaromatic group containing 12 ring atoms; m1 is 0, 2, or 8, and m2 is 0 or 1.

Abstract: A loudspeaker device may include a speaker component, a circuit housing configured to accommodate a control circuit, and a key module disposed on the core housing. The speaker component may include an earphone core and a core housing for accommodating the earphone core. The control circuit may drive the earphone core to vibrate to generate a sound. The key module may include a key and an elastic bearing for supporting the key. The elastic bearing may include an integrally formed bearing body and a support column.