1) eccentricity of vertex
顶点离心率
4) paraxial radius of curvature
顶点曲率
1.
From the equation for conic aspheric, derived a set of algorithms from which the conic constant k and the paraxial radius of curvature r be obtained.
受光学非球面制造过程中诸工艺参数的影响,能否保证非球面顶点曲率及二次曲面常数的精度是一个重要问题。
5) centrifugal points
离心点
1.
We have known that a continuous map f: I→I is turbulent, where I is a real interval (?)f has centrifugal points or f was multi - separated by Fix(f) .
我们已经知道实区间上连续映射f是湍流的与f的返回轨道被Fix(f)多分离以及f的轨道有离心点是等价的。
6) difference of eccentricity
离心率差
补充资料:离心率
离心率
eccentricity
离心率[即闺曲创勿;3Ke明euTpoeoTeT」 圆锥曲线(c~sectio化)上任何一点与一给定点(焦点)之间的距离和同一点与一给定直线(准线)之间的距离的比值.具有相同离心率的两圆锥曲线是相似的.对于椭圆,离心率e
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条