Proper analysis of wind-force's dynamic effect on structures ensures economy and safety in designing structures.

正确分析风荷载对结构的动力作用是设计既经济又安全结构的重要保障。

youdao

Using a dynamic economic model with a life_cycle hypothesis, this paper examines the effect of population change on economy.

本文用一个带生命周期假说的经济动态模型全面考察了人口变动对经济的影响。

youdao

The main content of this paper concerns the effect of load variation on the dynamics and the fuel economy of bulldozers and the evaluation of bulldozer dynamic performance.

本文的主要内容是负荷波动对推土机动力性和燃料经济性的影响及推土机动态性能的评价方法。

youdao

"Construction activity generally, general construction, civil engineering and housing, have a vital, dynamic effect on getting an economy going, " he said.

BBC: Construction Employers Federation decry fall in NI jobs