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1. The micrometer run is a crucial part of theexperiment.
微米跑是实验中至关重要的一部分。
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2. The micrometer run was used tomeasure the distance between two points.
微米跑被用来测量两点之间的距离。
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3. The micrometer run was used to test the accuracyof the measurement device.
微米跑被用来测试测量设备的精度。