On this model basis the first step method is used for optimization of the arch axis coefficient of the arch bridge.

在此模型基础上，使用一阶方法对拱桥的拱轴系数进行优化。

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On this model basis the first step method is used for optimization of the arch axis coefficient of the arch bridge.

在此模型基础上，使用一阶方法对拱桥的拱轴系数进行优化。

youdao