Care service control method, device, equipment and system when baby is retained in vehicle
Marine seismic exploration method and device and marine geological exploration ship
Ship draft detection facility and early warning system
Access conflict coordination method and device under virtual coupling and electronic equipment
Power system parameters matching of in-wheel motor drive electric vehicle
Communication system, communication method, electronic device and readable storage medium
Unmanned aerial vehicle bomb carrying and aerial launching device
Electric power steering mechanism of explosion-proof storage battery tractor
Sealing structure, sealing assembly for air conditioner and metro vehicle air conditioning unit
Urban traffic speed estimation method based on multi-source crowd sensing data