In the analysis, both the coupled vibration of four level structures under earthquake and the randomness of spread directions of input seismic waves were considered.
在分析中，考虑了四层高架结构在地震时的耦合振动作用，以及地震波传播方向的任意性。
The horizontal aspect discusses the characteristics of industry relevancy and industry spread effect of China and America's transportation industry based on the input-output theory.
横向分析根据投入产出理论探讨了中美交通运输业的产业关联特点与产业波及影响。
The horizontal aspect discusses the characteristics of industry relevancy and industry spread effect of China and America's transportation industry based on the input-output theory.
横向分析根据投入产出理论探讨了中美交通运输业的产业关联特点与产业波及影响。
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