Unmanned aerial vehicle high-rise fire extinguishing bomb launching device
Lane departure detection method and device, electronic equipment and storage medium
Method for controlling unmanned aerial vehicle to stay on water surface
Water life-saving satellite positioning alarm method and terminal, and life jacket
Charging pile associated target direction analysis system
Double-line side-by-side opposite-pull boat moving method
Construction precision control method for cylinder pin hole type leg
Network rail tunnel comprehensive detection system and method based on big data
Network rail tunnel comprehensive detection system and method capable of active detection
Gate-free parking lot accurate management and control device
Vehicle-to-vehicle charging system and method and electric vehicle
Accidental injury prevention safety air bag control method
Comprehensive detection system for network rail tunnel with the same time, air and section
Intelligent control system of automobile safety air bag
Accurate management and control method for gate-free parking lot