数值模拟发现，在脉冲传输距离与扰动周期长度的关系中存在着一种多极值结构。
We numerically show that there are many extremums in dependence of the propagation distance on the period lengths of perturbation.
黏聚力形成的阻抗强度因子数值，与黏聚裂纹长度和材料极值拉伸应力存在数量关系。
The stress intensity factor of crack solids is a fracture mechanics index that denotes the effect of loading and crack geometry.
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