根据外差干涉计量术的原理，研制了非接触式的光外差干涉磁盘表面粗糙度测量仪。
This paper is concerned with the principle of a non - contact optical instrument for measuring the surface roughness of a magnetic disk with an opto-heterodyne interferometer.
便携式表面粗糙度测量仪成功地实现了在生产车间和计量部门对工件的表面粗糙度的精确测量。
The portable surface roughness tester carries out accurate measurement of product surface roughness at workshop or calibration department.
便携式表面粗糙度测量仪成功地实现了在生产车间和计量部门对工件的表面粗糙度的精确测量。
The portable surface roughness tester carries out accurate measurement of product surface roughness at workshop or calibration department.
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