a telescope mounted on an axis running east and west and used to time the transit of a celestial body across the meridian
例句与用法
1.
In this paper , the transit instrument and the mono - lever manipulator ' s architecture features of the transit instrument training simulation system are analysed 摘要阐述了经纬仪与经纬仪训练仿真系统的单杆操纵器的结构特点。
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