Abstract: Embodiments of this application provide a diagnosis method and apparatus. The method includes: receiving a first diagnosis policy file sent by a diagnosis device, where the diagnosis policy file includes access control policy information, and the diagnosis device includes a remote diagnosis platform or a local diagnosis instrument; verifying authenticity and integrity of the first diagnosis policy file; and when the verification on the authenticity and integrity of the first diagnosis policy file succeeds, verifying, based on the access control policy information, whether a diagnosis command has an access control permission. According to the foregoing method, a vehicle can be prevented from executing an incorrect or unauthorized diagnosis command during diagnosis, and property and privacy security of a vehicle owner can be ensured.

Abstract: A metering method based on converted slip ratio fitting for wet natural gas is provided. The method includes fitting relationships between a gas Froude number and Venturi differential pressure and Venturi pressure loss with known data to obtain a gas Froude number calculation formula; dividing the known data according to a size of the gas Froude number, and performing piecewise fitting to obtain a piecewise converted slip ratio calculation formula under different gas Froude numbers; performing fitting on the dryness fraction and the converted slip ratio calculation formula; and acquiring, on the basis of the gas Froude number calculation formula, the converted slip ratio calculation formula, an overrated factor calculation formula and a dryness fraction calculation formula, some necessary real-time data to calculate a real-time flow rate of the wet gas. The method avoids using a ray flow meter and has advantages that include accurate metering and no radioactive pollution.

Abstract: An optical system and an optical camera working at a far-infrared waveband are provided. The optical system includes two optical elements, the two optical elements being, along the optical axis in order from an object side to an image side: a metalens and a refractive lens; each of two optical elements including an object-side surface facing towards the object side and an image-side surface facing towards the image side; the metalens including a substrate and a plurality of nanostructures, and the plurality of nanostructures are set on the image-side surface of the metalens; when a light passes through the image-side surface of the metalens, the incident angle of the light is less than or equal to 45°; the object-side surface of the refractive lens is a concave surface, and the image-side surface of the refractive lens is a convex surface; and the refractive lens has positive refractive power.

Abstract: Embodiments of the present invention provide a massaging device. The massaging device includes an enclosing structure defining a cavity. The enclosing structure includes a plurality of lateral portions, a top portion and a bottom portion. The massaging device further includes a plurality of Light Emitting Diodes (LEDs) enclosed within the cavity. Also, the massaging device includes a plurality of diaphanous portions provided partially in the plurality of lateral portions, partially in the top portion, and partially in the bottom portion.

Abstract: The present disclosure relates to the technical field of computers. Disclosed are a digital currency transaction method and system and a digital currency card application apparatus. A specific embodiment of the method comprises: after receiving a transaction request sent by a second transaction device, a digital currency card application apparatus of a first transaction device acquiring a current power state of the first transaction device; and performing digital currency transaction with the second transaction device according to a transaction rule corresponding to the current power state of the first transaction device. According to the embodiment, the power state of a mobile intelligent terminal can be acquired, and transaction operations of the payment and the receipt on the digital currency in scenarios of power-on with power available, power-off with power available, and power-off without power available can be realized on the basis of the power state of the mobile intelligent device.

Abstract: In a method for displaying relationship-based relationship indicators in a gaming interface, a team interface including a plurality of player positions is displayed. Player avatars at the plurality of player positions are displayed. Each player avatar corresponds to a respective team member of a plurality of team members. When a relationship is detected between at least two team members of the plurality of team members, relationship indicators at the plurality of player positions corresponding to the at least two team members are displayed. The relationship indicators indicate the relationship detected between the at least two team members. Apparatus and non-transitory computer-readable storage medium counterpart embodiments are also contemplated.

Abstract: The present invention discloses an integrally electric and manual cleaning apparatus and a storage box. The cleaning apparatus includes a cleaning portion and a drive portion. The cleaning portion is mounted on the drive portion, and includes a sleeve tube, a connecting seat, an electric brush head, and a clamping mechanism. The clamping mechanism includes a trigger, a clamping assembly, and a linkage assembly. The trigger is mounted on the sleeve tube, the clamping assembly extends out of the connecting seat, and the linkage assembly is located between the trigger and the clamping assembly; and the brush head is mounted on the clamping assembly. The storage box includes a storage body and placement brackets.

Abstract: The invention relates to the field of optically-carried information technology and provides a method and device for optically-carried information transmission based on full-spectrum LEDs. The method addresses the problem of visual perception interference caused by multi-color LEDs used for data transmission in the prior art. The method includes: dividing the data to be transmitted according to the first transmission demand information, obtaining a second preset number of data segments; selecting target monochromatic LEDs based on the luminous characteristics of the LEDs and the first transmission demand information; processing the data segments using the target LEDs and preset modulation algorithms to generate corresponding LED control signals; and controlling the target LEDs to transmit optically-carried information based on the control signals.

Abstract: An infrared touch screen includes: a touch panel, a profile frame, an infrared module and a filter strip. The profile frame surrounds an edge of the touch panel, the profile frame is provided with a cavity having an opening; the infrared module is provided in the cavity and located below the touch panel; and the filter strip is provided at the opening. The filter strip is provided with at least two reflective arc surfaces, an infrared light is emitted by the infrared module and is emitted from the opening through a total reflection of the reflective arc surface.

Abstract: Provided is a series of homologous small molecule immune agonists and novel bifunctional immune targeting compounds having targeting and immune activation functions, which are obtained by coupling the small molecule immune agonists to targeting drugs. The resulting immune targeting compounds are beneficial for enhancing immune activation effects, and anti-tumor and other disease fighting effects of the targeting drug. The enhanced effect is produced from a synergy of immunological anti-tumor factors (such as IFN-?) and inhibition at pathogenic targeting sites.

Abstract: The present disclosure provides a sounding device. The sounding device includes a vibration system, a magnetic circuit system, a conductive element and a fixed element. The vibration system includes a diaphragm and a voice coil fixed to the diaphragm. The sounding device further includes a reinforcement element having a first reinforcement part fixed to the upper surface of the connection part or the lower surface of the connection part, a second reinforcement part fixed to the outer side surface of the voice coil, and a third reinforcement part fixed with the upper surface of the voice coil. Compared with the related art, the sounding device provided by the present disclosure has a simple structure and good reliability.

Abstract: The present disclosure discloses a data processing method and system, an apparatus, and a computer-readable storage medium, which relate to the field of storage. The data processing method includes determining a root port of a peripheral component interconnect express (PCIe) switch X (PSX) based on a connection topology of a PCIe; controlling a central processing unit (CPU) corresponding to the root port to monitor a read state of memory-mapped remote procedure calls (MRPC) data using a completion timeout mechanism; and in response to the read state being a timeout state, discarding read MRPC data.

Abstract: The present disclosure discloses a MEMS microphone, including: a substrate including a back cavity; a capacitive system arranged on the substrate, the capacitive system including a back plate and a diaphragm opposite to the back plate; wherein the diaphragm includes a vibration portion and a fixing portion surrounding the vibration portion and fixed to the substrate, the vibration portion and the fixing portion are spaced apart from each other by a slit, the fixing portion includes a plurality of releasing portions, and the releasing portions pass through the fixing portion. Compared with the related art, MEMS microphone disclosed by the present disclosure has a high reliability of the back plate.

Abstract: The present application discloses a sound-output device, including a vibration speaker configured to generate a bone-conducted sound wave; and an air-conducted speaker configured to generate an air-conducted sound wave. The sound-output device further comprises a signal processing module configured to generate a control signal, wherein, the vibration speaker includes a vibration assembly electrically connected to the signal processing module to receive the control signal, and generate the bone-conducted sound wave based on the control signal, and the air-conducted speaker includes a housing coupled to the vibration assembly to generate the air-conducted sound wave based on the bone-conducted sound wave.

Abstract: The present disclosure provides a method for determining a pixel voltage, an electronic device, and a storage medium. The method includes: obtaining an initial color shift ratio of a sub pixel to be tested, obtaining an initial evaluation value of a preset grayscale value, and obtaining a current evaluation value of the preset grayscale value according to a current color shift ratio; comparing the initial evaluation value with the current evaluation value; and determining a standard sub pixel voltage of the sub pixel to be test according to the current color shift ratio, when the current evaluation value is greater than the initial evaluation value.