geodetic line

例句：

1. 1. The surveyor measured the geodetic line to ensure accuracy.
   测量师测量了大地水准线以确保准确性。
2. 2. The constructionof the new bridge required precise measurements alongthe geodetic line.
   新桥梁的建设需要沿着大地水准线进行精确测量。
3. 3.The geodetic line is crucial fordetermining the elevation of the land surface.
   大地水准线对于确定地面高度至关重要。