[测]?测地圆

... geodesic circle of a surface 曲面上的测地圆 geodesic circle 测地圆 geodesic conic 测地二次曲线 ...

[测]?短程圆

... geodesic chain 大地测量控制锁 geodesic circle 短程圆。 geodesic conic 测地二次曲线 ...

?测地圈

... 测地流 geodesic flow 测地圈 geodesic circle 测地线 geodesic curve; geodesic line; geodetic line ...