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person:("LIU liqiang")
Vehicle door unlocking system, method and device and medium
Highway emergency parking early warning method and system
Control system for improving fullness rate of shell hopper of intelligent travelling crane
Brake-by-wire system energy recovery mechanism for new energy vehicle and control method
Electric loader battery preheating system and method and engineering machinery
Multi-module quick interchange type farmland operation equipment
Vehicle-mounted rear-vision mirror and method thereof for switching safe mode
Pesticide applying device based on unmanned aerial vehicle
Gold coating for a high performance Li4Ti5O12 nanorod aggregates anode in lithium-ion batteries