目测调节光杠杆的过程中 以下说法正确的是: Which of the following statements is true in the

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目测调节光杠杆的过程中,以下说法正确的是: Which of the following statements is true in the process of visually adjusting the light lever?

A.使平面镜平行于平台 Make the plane mirror parallel to the platform

B.望远镜平行平面镜 Telescope parallel plane mirror

C.使望远镜与光杠杆等高 Make the telescope level with the light lever

D.标尺平行地面 Scale parallel to ground

目测调节光杠杆的过程中 以下说法正确的是: Which of the following statements is true in the

热搜:关于光功率测量过程相关描述,正确的有