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person:("chen ding")
Internet of Things signal lamp with monitoring function
Self-rising device convenient for electrician to check electric meter
Power supply device of unmanned aerial vehicle for ocean exploration
Underground parking lot system based on multifunctional ad hoc network
Parking management system and method based on Beidou positioning technology
Fake-licensed vehicle identification method and system based on big data, and medium
Image communication equipment for unmanned aerial vehicle
Traffic signal lamp intersection control system based on Internet of Vehicles
Icon display method and device for automobile electronic instrument screen
Airport refueling vehicle management system based on high-precision navigation positioning