Navigation mark collision monitoring evidence obtaining system and evidence obtaining method
Flexible speed bump vehicle speed detection device and speed measurement method
Automatic arrangement anti-climbing device of barrier setting vehicle
Intelligent roe collecting and early-stage resource quantity monitoring and estimating device
Information display method and system, controller and vehicle
Multi-transmitting-end unmanned aerial vehicle laser remote charging method
Multifunctional trolley for overhauling transformer substation
Oil stain recovery device for water collecting well of hydropower station
Multi-element sensing distributed test system suitable for surface ship and construction method
Intelligent parking space management device for distributed three-dimensional parking garage
Unmanned vehicle man-machine interaction system during epidemic prevention period and control method
Regional public parking lot charging demand prediction method based on parking big data
Steel truss in space limiting area and hoisting method thereof
Expressway short-time headstock prediction method based on trajectory data