The control device for the obstacle - avoidance of the endoscope is a part of the automatic obstacle - a-voidance subsystem of endoscopy. 内窥镜前端避障的执行装置是内窥镜主动避障系统的一部分。
The Second World War produces double effect to social productivity, before building voidance to social productivity on one hand destroy; 第二次世界大战对社会生产力产生双重影响,一方面对社会生产力造成空前的破坏;