The precision measurementofdisplacement and Angle is necessary in scientific research and industry.
目前在科技研究，工业生产等各行业中，对于位移角度的高精度测量都是不可或缺的。
2
This paper introduces the laser interferometer for measurementofdisplacement and vibration for industrial robot.
本文介绍的是用于工业机器人检验的激光干涉测量法。
3
A new method to the measurementofdisplacement by using a time interval is presented, and a new type of sensor is made on the basis of these principles.