A conclusion is drawn that crucian carp increases its effective stiffness during swimming with only a little energy dissipation based on a simplified standard solid model.
通过简化为标准线性固体模型进行讨论，得到的结论是：鲫鱼游动过程中以很小的能量损耗为代价，增加了其有效刚度。
The pile stiffness is reduced by the pile-pile interaction and the effective length of piles becomes longer.
桩桩相互作用降低了桩的刚度，并使群桩的有效桩长加大了。
In this paper, for the first time, floor stiffness is denoted as shear stiffness, which reflects the influence of floor length to width ratio more effective than floor bend-shear stiffness.
本文首次把楼板的刚度用剪切刚度表示，它比楼板的弯剪刚度更能体现楼板长宽比对楼板刚性的影响。
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