本文推广和改进了定积分近似计算的矩形公式。
In this paper, we extend and improve the rectangle formula of definite integrals 'approximate calculation.
对循环常数的计算方法进行了研究,提出了一个矩形公式,并用参数变换法对一些疑难问题进行了讨论。
Studies the computation method of a circular constant, obtain a rectangular formular, and discusses some difficult problems with parameter transformation.
作者想推导简短的公式,对梯形、矩形和圆形断面采用通用的程序,以得到准确的结果。
The authors want to deduce a brief formulation, and use all-purpose program to get exact result for echelon, rectangle and rotundity cross section.
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