Vehicle-mounted solar cooling method and device and computer readable storage medium
Steering structure of toy car for children and control method of steering structure
Fingerprint starting method and device for automobile
Traffic signal online optimization control method and system oriented to low oil consumption
Tramcar level crossing digital traffic dynamic adjustment control system and method
Intelligent traffic signal lamp and intelligent traffic management system
Intelligent vehicle positioning identification method and device based on deep learning
Universal power device for automobile and four-axis aircraft