应用设计的装置实测了一些运动员在自由泳和蛙泳时的动态阻力和阻力系数。
The active drag and hydrodynamic force coefficient were measured for athletes swimming both freestyle and breaststroke.
文化、团队和人际动态是更加重要的定性分析，可以说是优秀执行力的推动力或阻力。
The culture, people, and interpersonal dynamics of a startup are far more qualitative but perhaps the most vital accelerators or inhibitors of good execution.
从选材角度对比分析了几种铝合金的动态断裂韧性及裂纹扩展阻力。
From the view point of material selection, we analyzed their dynamic fracture toughness and crack propagation resistance.
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