结论就是纸叠得越厚，有效弹性系数就越低。
The result is that the bigger the stack, the lower the effective spring constant.
有了这一数据，不论有多少汽泡纸，我们都能够算出它的有效弹性系数。
With this, I can find the effective spring constant of any amount of bubble wrap.
在考虑裂纹受压闭合与滑动摩擦的基础上，给出了损伤张量、损伤应变及有效弹性常数。
Considering the crack-closing and friction between crack-surface under compression, the damage tensor, damage strain and effective elastic moduli are formulated.
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