1、The autocollimator measures small angular deviations from the ideal target reflection.
自动准直仪用于测量与理想目标反射之间的微小角度偏差。
2、An autocollimator is an optical instrument used for measuring small angles with a high degree of accuracy.
自准直仪是一种光学仪器,用于以高度精确度测量小角度。
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