Method for determining distance between centrifugal nozzles and unmanned aerial vehicle
VERTICAL CLAMPING APPARATUS FOR VARIABLE ROTOR SAIL TEST EQUIPMENT
HORIZONTAL CLAMPING APPARATUS FOR VARIABLE ROTOR SAIL TEST EQUIPMENT
A WATERPROOF DEVICE FOR DIVING AND METHOD FOR MEASURING UNDER WATER USING THE SAME
VEHICLE DETECTION METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM
TRACK GEOMETRY MEASUREMENT SYSTEM WITH INERTIAL MEASUREMENT
Track geometry measurement system with inertial measurement
TRACK GEOMETRY MEASUREMENT SYSTEM WITH INERTIAL MEASUREMENT
TRACK GEOMETRY MEASUREMENT SYSTEM WITH INERTIAL MEASUREMENT
Excess material detection device of plant protection unmanned aerial vehicle
Unpowered self-stabilization water surface hydrological instrument