This paper USES the principle of energy to obtain the approximate solutions for the cable-stayed Bridges. The method of successive approximation has been applied to the analyses of the actual bridge.

本文采用能量原理，导出斜拉桥的近似解答，并利用逐次渐近法对一座实际桥梁进行数值计算。

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Successive approximation method is adopted in the design, manufacture, and test of freeform optics.

自由曲面光学产品设计、制造与检测的工艺流程，通常采取试凑法逐次逼近。

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In this paper, an optimal mathematical model solving method, the successive approximation method, of the nature of nonlinear integral programming problem is suggested.

本文提出一种求解优化数学模型，属于非线性整数规划问题的方法——逐次近似法。

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