tooth surface短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 齿面 According to the theoretical tooth/span> surface model, the measuring grids schema is accomplished on the rotary projection of tooth surface, and coordinates and the normal of the grids are obtained. 根据建立的理论验面模型，在齿面的旋转投影面上进行测量网格规划，得到网格节点的坐标和法线方向。 cnki