对正拱斜置变截面悬链线坡拱桥的受力分析方法作了介绍。

This paper states a method of analyzing the right catenary arch with variable cross section on slop.

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由于箱梁结构广泛应用于桥梁建设中，而传统的受力分析方法存有较大的误差。

For box girder structure which is applied extensively in bridge construction, the traditional analysis method of load is of comparatively bigger error.

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通过对摆线轮和针齿齿面受力分析有限元计算，证明了本文提出的受力分析方法的正确性。

Though the finite element calculation of the force analysis of the cycloid and the pin gear surface, it has been proved that the method put forward by the paper is correct.

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But there's another way to do this and I'm going to give you now the simplest example of the other way, which is to draw free-body diagrams.

不过还有另外一种方法,现在我来给你们演示,另外一种方法最简单的例子,也就是隔离法的受力分析

耶鲁公开课 - 基础物理课程节选