To determine the relative positions of them, the GPS technique, traditional direction and range survey, and precise leveling are adopted in this paper.

本文采用GPS技术及常规的方向、距离和精密水准测量对三个站进行了空间归心测量。

youdao

To determine the relative positions of them, the GPS technique, traditional direction and range survey, and precise leveling are adopted in this paper.

本文采用GPS技术及常规的方向、距离和精密水准测量对三个站进行了空间归心测量。

youdao