相界面上存在浓度差、温度差、化学反应和（或）电荷时引起表面张力变化，产生张力梯度，从而使界面发生自然收缩、局部扰动、振荡和（或）破裂等的现象。
拉拔过程中筋土上下界面并不对称，下界面扰动范围比上界面大；
The upper and lower geogrid-soil interfaces are not symmetrical such that the disturbed area of lower interface is higher than that of upper interface.
用胞元自动机(CA)方法模拟了枝晶生长、界面扰动以及分枝的竞争演化。
Cellular automaton (CA) method was applied to simulate dendritic growth, perturbation at the interface and the branching mechanism.
选用几种液液体系，研究了浓度推动力引发的界面扰动对传质速率的增强效应。
The enhancement of the rate of mass transfer due to concentration driving force induced interfacial turbulence has been investigated in several typical liquid liquid systems.
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