Full-automatic arm folding device of portable unmanned aerial vehicle
Active opening and closing hubcap device for passenger car
AVI detector flow distribution method based on maximum likelihood estimation
Aircraft spoiler and flap cabin structure gap control device and method
Vehicle-mounted earthquake emergency treatment device based on dual-mode communication
Automobile data recorder mounting structure and vehicle with same
Anti-lock braking control method of new energy automobile with energy recovery function
ALARM CONTROL CIRCUIT SUITABLE FOR FAULT GUIDING SAFETY OF URBAN RAIL SUBWAY VEHICLE
Power battery early warning method and device and electronic equipment