Phase modulation method and system for reducing shadow time on lunar orbit by using orbit transfer
Construction method of underpass main line ramp bridge steel box girder
Aircraft air inlet transmission mechanism capable of adjusting throat flow in servo mode
Aircraft air inlet channel without interference on air flow
Outdoor sample collection device and working method thereof
Multi-scale short-term traffic flow prediction method based on S-G filtering and deep belief network
Expressway non-payment detection method based on dynamic timeout analysis