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person:("wang mengjie")
Vehicle battery replacement method, device and equipment and storage medium
Elevator with blind person guiding function and control method thereof
SYSTEM, METHOD, AND APPARATUS FOR ANALYZING A TRAFFIC ROAD CONDITION
Data transmission and processing method for license plate recognition
Highway road condition monitoring and early warning device
Real-time monitoring system and method for running speed of vehicles on highway
Expressway ETC lane toll collection device and use method thereof
ETC (Electronic Toll Collection) equipment and use method thereof