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Load shedding method and device for high-speed parachute opening of human parachute
Hanging basket, detection robot, detection control system and detection method
Geodesics, nonlinear normal modes of conservative vibratory systems and decomposition method
Time limiting method based on absolute position well signal system
Absolute floor position elevator shaft signal system and algorithm thereof
Jacking construction method for welding large-span spherical cylindrical reticulated shell
Elevator power failure emergency rescue method and system
Device and method for improving parachute opening reliability of ejection seat lifesaving parachute
Rudder shaft supporting mechanism based on crossed roller bearing
Disinfecting and killing trolley with wireless charging function
Assembly type floor veneer integrated board convenient to hoist