geodesic

详细解释:a. 测地学的, 测量的, 测地线的
n. 测地线
【电】 测地线

英语解释：

名词 geodesic:

(mathematics) the shortest line between two points on a mathematically defined surface (as a straight line on a plane or an arc of a great circle on a sphere)同义词：geodesic line