By measurement of the scanning Angle of the laser beam, the displacement of the metal plate can be calculated.

通过对光束扫描角度的测量，就可计算出金属板的位移量。

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By measurement of the scanning Angle of the laser beam, the displacement of the metal plate can be calculated.

通过对光束扫描角度的测量，就可计算出金属板的位移量。

youdao