geodesics

例句：

1. 1. The geodesic distance between two points on the globe is calculated using a special formula.
   地球表面上两点间的大地测量距离是通过一个特殊的公式计算出来的。
2. 2. In geometry, a geodesic is a line that passes through the center of a polygon and divides itinto two equal triangles.
   在几何学中，一条测地线是穿过多边形中心的线，将多边形分成两个等边三角形。
3. 3. The geodesic path is the shortest possible route between two points on a surface.
   测地路径是曲面上两点之间可能的最短路线。