And displays the structure endogenic force characteristic of these three kinds of different vector high ratio intuitively by the massive illustrations and forms.

并以大量的插图、表格直观地表现这三种不同矢高比时结构的内力特征。

youdao

And displays the structure endogenic force characteristic of these three kinds of different vector high ratio intuitively by the massive illustrations and forms.

并以大量的插图、表格直观地表现这三种不同矢高比时结构的内力特征。

youdao