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Foldable and storable vehicle-mounted navigator support
A Novel Air-Ground Coordinated Approach for UAV Autonomous Landing on a Mobile Platform
Violation evidence obtaining method and system for insufficient distance between moving vehicles
System and method for reminding driving safety of iced road surface
Novel internal climbing tower crane supporting structure
Jacking trolley for quickly assembling culvert sections and control method
Telescopic automatic balancing depth finder fixing device
Overall planning and allocation method and system for urban rail transit parking area
Rail transit evacuation platform capable of resisting high wind pressure