1. In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.
摘要以旋转椭球体面上某点为原点建立一个大地坐标单位活动坐标架。
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2. Differing from previous studies, the new method was derived from the idea of motion of moving trihedron along a predesigned path of contact on the predesigned (theoretical) tooth surface.
3. Differing from previous studies, the new method was derived from the idea of motion of moving trihedron along a predesigned path of contact on the predesigned (theoretical) tooth surface.
