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。

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

youdao

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。

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

youdao