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person:("LI jianhua")
Wireless charging floating type electronic boundary post and monitoring method
Ultra-light acceleration bicycle and acceleration device thereof
Control system and method based on Internet of Things carrier
Multi-section type circuit board punching device and punching method
Method and system for observing rearview mirror of automobile electronic camera through HUD
Integrated control method and device for in-vehicle multi-core system
Spraying device of pesticide spraying operation unmanned aerial vehicle
Pesticide spraying unmanned aerial vehicle capable of conveniently adjusting height of spraying rods
Solar all-terrain multifunctional agriculture and forestry plant protection all-in-one machine
New energy automobile charging adaptive control system based on big data