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利用原有的玻璃水槽上方镀上双面反射膜,这样改进后的玻璃槽替代附件平面镜,减少了实验步骤,方便待测件的调节,降低了测量误差。
The use of the original glass sink above the double-sided reflective coating, so that the glass slot instead of the improved replacement of flat mirrors, reducing the experimental steps to facilitate the adjustment of test pieces, reducing the measurement error.