痕迹的雌雄同体现象
rudimentary hermaphroditism
连接的雌雄同体
consecutive hermaphroditism
测量用变压器的连接
potential transformer connection
电子液位器的的制作
Making of Electric Liquid Level Meter
花器官的发生与发育
Inflorescence and flower development
基于干扰观测器的连续滑模控制
Disturbance observer based sliding mode control