The permissible diameter variation (Vdmp, VDmp) is the tolerance for the maximum and minimum mean diameters of one measuring plane.
允许的尺寸变化量是考虑到了最大和最小平均直径公差的测量平面。
The article describes a new method of measuring semiconductor laser spectrum by plane scanning interferometer.
本文描述了用平面扫描干涉仪测量半导体激光光谱的一种新方法。
Use line and plane for measuring or locating.
普通线、普通面，一般用来测量、定位。
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