Intelligent police vehicle-mounted control system and method based on Internet of Things
Triboelectric energy harvester based on dragonfly bionics
Airport overhead monitoring method and system based on positioning tracking
Cable-shaped ocean energy collecting device and energy collecting method thereof
Rail anti-current-flowing structure suitable for urban modern tramcar
Soft robot with paper folding skeleton protection function
Large-size high-enthalpy pulse wind tunnel device driven by free piston
Compressed natural gas system assembly and automobile
Device capable of stably hoisting prefabricated cement pipe