英语翻译
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
答
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