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。
Proper analysis of wind-force's dynamic effect on structures ensures economy and safety in designing structures.
应用有限元方法对某多缸内燃机机体在活塞推力作用下的结构动力响应进行了分析。
The structural dynamic response of a certain multi? cylinder internal combustion engine block is analyzed applying finite element method.
本文着重讨论了水动力作用下孔隙微粒运移条件，结合室内实验分析了不同类型的驱动流体对运移产生的影响。
The paper discusses the migration condition of POre particle under hydrodynamism emphatically, and analyzes the influences of different types driving fluid to migration according to experiments.
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