Abstract: Disclosed are a power demand side speech interaction method and system. The method includes: obtaining original demand information, the original demand information including user's basic information, user demand information, and a user demand time; converting the original demand information into first information in text format; performing text statistical analysis based on an industry term on the first information in text format, to obtain second information; searching for corresponding user's actual information from a database according to the second information; outputting the user's actual information; searching for a corresponding forecasting model from the database, according to the second information and the user's basic information; calculating, according to a policy limit value of latest policy information in the database, a time for which the model corresponding to the user's basic information reaches the policy limit value; and transmitting an early warning message.

Abstract: An audio control method, a system, and device, the method including displaying, by a first device, in response to a first user operation, a candidate device list, obtaining, in response the user selecting a second device from the candidate device list, an audio capability parameter of the second device indicating a hardware capability and a software capability for playing audio, determining a first audio play policy based on the audio capability parameter of the second device, obtaining second audio data by the first device by performing first processing on first audio data from a first audio application according to the first audio play policy, and sending, by the first device, the second audio data to the second device, so that second device plays the second audio data or processes the second audio data and plays processed second audio data.

Abstract: This application provides a device recommendation method and an electronic device, and relates to the terminal field. The method includes: receiving, by a first device, a first operation of enabling a first service by a user; in response to the first operation, separately obtaining, by the first device from N electronic devices, device parameters associated with the first service, where the N electronic devices and the first device are located in a same communication network; predicting, by the first device according to the device parameters, quality of service of executing the first service by each electronic device of the N electronic devices; and displaying, by the first device, a device list according to the quality of service of executing the first service by each electronic device in the N electronic devices, where the device list includes a device identifier of at least one electronic device in the N electronic devices.

Abstract: Disclosed are a power demand side speech interaction method and system. The method includes: obtaining original demand information, the original demand information including user's basic information, user demand information, and a user demand time; converting the original demand information into first information in text format; performing text statistical analysis based on an industry term on the first information in text format, to obtain second information; searching for corresponding user's actual information from a database according to the second information; outputting the user's actual information; searching for a corresponding forecasting model from the database, according to the second information and the user's basic information; calculating, according to a policy limit value of latest policy information in the database, a time for which the model corresponding to the user's basic information reaches the policy limit value; and transmitting an early warning message.

Abstract: An audio control method, a system, and device, the method including displaying, by a first device, in response to a first user operation, a candidate device list, obtaining, in response the user selecting a second device from the candidate device list, an audio capability parameter of the second device indicating a hardware capability and a software capability for playing audio, determining a first audio play policy based on the audio capability parameter of the second device, obtaining second audio data by the first device by performing first processing on first audio data from a first audio application according to the first audio play policy, and sending, by the first device, the second audio data to the second device, so that second device plays the second audio data or processes the second audio data and plays processed second audio data.

Abstract: This application provides a device recommendation method and an electronic device, and relates to the terminal field. The method includes: receiving, by a first device, a first operation of enabling a first service by a user; in response to the first operation, separately obtaining, by the first device from N electronic devices, device parameters associated with the first service, where the N electronic devices and the first device are located in a same communication network; predicting, by the first device according to the device parameters, quality of service of executing the first service by each electronic device of the N electronic devices; and displaying, by the first device, a device list according to the quality of service of executing the first service by each electronic device in the N electronic devices, where the device list includes a device identifier of at least one electronic device in the N electronic devices.

Abstract: An electronic device displays icons of a plurality of applications on a home screen, displays a plurality of first prompts around one or more icons of one or more second-type applications in response to the at least one of the touch-and-hold operation or the force touch operation on an icon of a first application, and a first prompt indicates that the one or more second-type applications support split screen, receives a first operation performed by the user of dragging an icon of the first application to contact a first prompt corresponding to an icon of a third application, and, in response, switches from displaying the home screen to displaying a first split-screen interface, where the first split-screen interface comprises an interface of the first application and an interface of the third application being displayed at a same time.

Abstract: Embodiments provide a fault detection method and device. The method includes obtaining first detection logic, where the first detection logic includes a plurality of detection events and indicates a logical relationship between the plurality of detection events, a single detection event includes identification information of a to-be-detected device, a detection instruction, and identification information of a fault event, and identification information of to-be-detected devices that is in the plurality of detection events is partially the same; in response to the obtained first detection logic, successively executing corresponding detection instructions on to-be-detected devices in single detection events based on the logical relationship between the plurality of detection events, and receiving an execution result returned by the to-be-detected device; and if it is detected that the execution result includes the identification information of the fault event, determining that the fault event exists.

Abstract: An electronic device displays icons of a plurality of applications on a home screen, displays a plurality of first prompts around one or more icons of one or more second-type applications in response to the at least one of the touch-and-hold operation or the force touch operation on an icon of a first application, and a first prompt indicates that the one or more second-type applications support split screen, receives a first operation performed by the user of dragging an icon of the first application to contact a first prompt corresponding to an icon of a third application, and, in response, switches from displaying the home screen to displaying a first split-screen interface, where the first split-screen interface comprises an interface of the first application and an interface of the third application being displayed at a same time.

Abstract: Disclosed are a current calibration method and a system by compensating a voltage of a current sensor, the method comprises: obtaining a power supply sampling voltage Vcc by performing ADC sampling on a power supply of the current sensor, and obtaining a ground plane sampling voltage VGND_sensor by performing analog-to-digital converter (ADC) sampling on a voltage of the ground plane; sampling a current of the current sensor to obtain a sensor sampling voltage Vout, and compensating the voltage of the current sensor to calibrate the sensor sampling voltage Vout, wherein the calibrated sensor sampling voltage Vout_correct is: V out_correct = ( V out - V GND_sensor ) · V nom V cc - V GND_sensor wherein Vnom is a rated voltage of the power supply of the current sensor; and obtaining a calibrated sensor sampling voltage according to the calibrated sensor current value and a conversion coefficient of sampling voltage-current.

Abstract: A tidal current generating unit, including a turbine, a hub, a generator, a bearing set and a fixed flange. The turbine is connected to the rotor of the generator through the hub, and the rotor is rotatably mounted on the outer circumference of the stator of the generator via the bearing set, and the turbine drives the rotating component to rotate to generate electricity. A density of a blade is much smaller than a density of the seawater, such that the blade has a sufficient buoyancy that offsets the gravity of the rotating component in seawater, and the load of the bearing sets is reduced. The blade is a backswept blade and the hydrodynamic central axis of the blade is inclined from a flange central axis of the blade at a first angle, and the blade is able to automatically change the pitch without relying on an external force.

Abstract: A tidal current generating unit, including a turbine, a hub, a generator, a bearing set and a fixed flange. The turbine is connected to the rotor of the generator through the hub, and the rotor is rotatably mounted on the outer circumference of the stator of the generator via the bearing set, and the turbine drives the rotating component to rotate to generate electricity. A density of a blade is much smaller than a density of the seawater, such that the blade has a sufficient buoyancy that offsets the gravity of the rotating component in seawater, and the load of the bearing sets is reduced. The blade is a backswept blade and the hydrodynamic central axis of the blade is inclined from a flange central axis of the blade at a first angle, and the blade is able to automatically change the pitch without relying on an external force.

Abstract: A route recommendation method, an electronic device, and an graphical user interface are disclosed. In an embodiment a route recommendation method includes obtaining a specified route shape, obtaining specified map information, determining at least one route that is in the map information and matches the route shape and recommending the at least one route to a user of the electronic device.