best secants 最佳正割
So the secant modulus from zero stress can not describe the deformation property of the practical rock mass.
因此，从原点计算的割线模量不能反映实际岩体的变形特征。
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N (of an angle) a trigonometric function that in a right-angled triangle is the ratio of the length of the hypotenuse to that of the adjacent side; the reciprocal of cosine (角的)正割 ( abbr: sec)
The construction of the graphs formed by eight-circuit and its secants is obtained.
本文给出了测地图包含八圈时，八圈和它上的割线构成图的结构形式。
Our algorithm employs the Divide and Conquer strategy, bisection and secants iteration.
该算法以二分法、割线法迭代为基础，采用分而治之策略。
The basic principle of this method is introduced, the recurrence formula for the tangent of secants is deduced and the flow chart of the correspondent program is presented.
介绍了该方法的基本原理，导出了割线斜率的递推公式，并给出了具体的软件实现方法。
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