激光多普勒位移测量仪 laser Doppler displacement meter
此微位移检测方法已用于弹性元件刚度测量仪中，并采用激光干涉仪进行标定。
We applied this method to the stiffness measurement of flexible parts, and located the displacement with the help of laser interferometer.
用激光干涉应变-位移测量仪（ISDG）进行了裂纹闭合点的高精度动态测量。
The crack closure is dynamically measured by means of interferometric strain-displacement gauge(ISDG).
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