asphericity coefficient

It also summarizes the characteristics of aspheric equations and their relationship with aspheric coefficient.

文章介绍了非球面光学技术的发展过程,分析了常用非球面的应用方程,井对非球面应用方程的特点及非球面系数的关系进行了概述,较详细地分析了各类非球面应用方程的适用范围,最后概述了非球面光学在军事、工业等领域的应用以及发展趋势。

A new method of designing the cutting dege of a drill is presented, that is, we can work out the non-free degree coefficient of a cutting edge and select a cutting edge whose corresponding coefficient is minimum with an input of a cutting edge parameter.

介绍了刀具自由切削的原理 ,提出了一种设计麻花钻刃形的新思路——通过输入刃形 ,计算出该刃形切削的非自由度系数 ,选择最小的非自由度系数所对应的刃形 ,并介绍及推导了有关的计算公式。

Based on the cumulative distribution of reservoir property,a new parameter named as coefficient of heterogeneity degree was proposed to quantitatively characterize the macroscopic heterogeneity degree.

通过倒数坐标变换,将不同形态的渗透率累积分布曲线转换成斜率为0~1的直线,将直线斜率值定义为储层非均质程度系数。