Booster mounting angle measuring device and measuring method
V-tail single-push electric vertical take-off and landing composite wing aircraft
Electric vertical take-off and landing aircraft for improving large-attack-angle flow separation
Rail transit electronic map management method and system
Adjustable buffer block structure of back door and vehicle
Unmanned aerial vehicle equipment compartment and unmanned aerial vehicle
Joint OSNR and Interchannel Nonlinearity Estimation Method Based on Fractional Fourier Transform
Elevator running state monitoring system based on Internet of Things technology
Manpower high platform aircraft capable of automatically opening when entering water
Opening and closing propeller and electric vertical take-off and landing aircraft