英语翻译If the geometry of the instrument is perfect,then when t

问题描述:

英语翻译
If the geometry of the instrument is perfect,then when the rotation axis is vertical the tansit axis will be horizontal and the line of sight will sweep out a vertical plane when the telescope is elevated or depressed
1个回答 分类:英语 2014-10-01

问题解答:

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如果仪器的几何数据完好,那么当旋转轴垂直时,经纬仪的轴呈水平状态,当视镜升高或降低时,视线会划出一个垂直面.
tansit应为transit
 
 
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