center of curvature

The center of curvature can be defined as a limit point of intersection points of two normal line about the curve .

曲率中心又可以作为曲线上邻近的两个点所作法线的交点的极限。

Generally Spiral Trajectory Curvature Center of Curvature and Torsion

一般螺线曲率中心轨迹的曲率与挠率

A line that passes through the center of curvature of a lens so that light is neither reflected nor refracted .

穿过曲面透镜中心的光线不会反射和折射的线。

This paper presents an approach for interference locating of the center of curvature or vertex of a sphero-concave surface by laser interferometry .

本文就激光球面干涉测量中凹球面干涉定位问题进行了探讨。

The difference of analysis and experiment results of flanging height is due to the mid-surface is moving to the center of bending curvature .

翻边高度理论和试验间存在偏差是由于中性层向内移动所致。

The light source is located at the center of vertex curvature of the primary , and the coefficients of dummy surface are deduced from primary mirror .

用法线模拟反射面代替主镜时，光源位于主镜顶点曲率中心，模拟面的系数由主镜参数决定。

The correlation of curve regression of the distances to the surface center with the radii of curvature revealed the third power function .

离晶状体前表面中心点不同距离处的平均曲率半径与距离的曲线回归显示两者间为3次幂函数关系。