Channel type spacecraft solar cell wing sun orientation device
Lifting appliance assembly applied to reactor internals and assembling method
Pressurizing water tank floating type offshore photovoltaic integrated power generation system
Large-scale double-transmission-chain main and backup rotation device
Highway traffic monitoring system and method based on aerial photography of unmanned aerial vehicle
Transmission mechanism for large-scale redundant backup in space
Perceptual data completion method based on shockwave traffic flow model
Large space switchable dual-mode rotary supporting device and aircraft