In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.

以旋转球体上某点为原点建立一个大地坐标单位活动坐标架。

Isoperimetric inequality for sphere and ellipsoid is discussed, and the isoperimetric inequality of some region satisfying certain conditions is given.

全变化范围常用球方程和球述。