你一开始先设置你的经纬仪（一个在校准的基座上旋转的望远镜），观测该物体。
You'd start by setting up your transit (a telescope that rotates on a calibrated base) and taking a sight on the object.
本文对国产gdj型人卫跟踪经纬仪的观测结果进行了分析，讨论了几种误差来源并提出相应的改正方法。
In this paper the observed data with homemade GDJ tracking theodolite are analysed. Some causes of errors are discussed, and corresponding correcting methods for the errors are given.
并以其中电子经纬仪虚拟照片法观测隧道周边位移为例，分析了系统的原理、使用方法及其精度。
Using electron theodolite dummy photograph observing tunnel border displacement, as the example, the authors analyse the principle, means and precision of the system.
结合仪器的特点，对用于上架式陀螺经纬仪的逆转点定向方法进行改造，提出了逆转点定向方法在下架式陀螺经纬仪中进行观测的原理和方法。
Reform the definite orientation method used for up the pose gyrotheodolite, put forward the principle and the method of converse point to definite orientation at under the pose gyrotheodolite.
结合仪器的特点，对用于上架式陀螺经纬仪的逆转点定向方法进行改造，提出了逆转点定向方法在下架式陀螺经纬仪中进行观测的原理和方法。
Reform the definite orientation method used for up the pose gyrotheodolite, put forward the principle and the method of converse point to definite orientation at under the pose gyrotheodolite.
应用推荐