求翻译：利用有限元理论和矩阵摄动理论，理论推导拱桥结构吊杆损伤及破断对拱桥动力特性的影响，然后对拱桥全桥结构有限元模型进行仿真计算，分析吊杆在不同破损工况下的拱桥结构动力特性变化，并得出结论：无论是吊杆截面的削弱还是吊杆的破断均会引起钢筋混凝土拱桥结构固有频率的降低，保证拱桥结构的正常运营须使得吊杆无破损现象。是什么意思？

The use of finite element theory and matrix perturbation theory, the theory is derived arch bridge suspender injury and breaking of the arch bridge dynamic behavior, then the whole arch bridge finite element model simulation, analysis of boom conditions in the arch of different damage changes in dyn

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Using the finite element theory and the matrix perturbation theory, the theory inferential reasoning arched bridge structure suspension bar damage and the breaking to the arched bridge dynamic performance influence, then carries on the simulation computation to the arched bridge entire bridge struct

Using limited Yuan theory and matrix photo taken dynamic theory, theory derivation arch bridge structure hanging Rod injury and the breaking broken on Arch Bridge power characteristics of effect, then on Arch Bridge full bridge structure limited Yuan model for simulation calculation, analysis hangin