The dynamical stress produced by superposition or interference of reflected stress wave makes confining pressure reduce and change at low values.
地震动态应力使围压产生低值波动，一方面使围压减小、摩擦力减小；
The dynamical stress produced by superposition or interference of reflected stress wave makes confining pressure reduce and change at low values.
地震动态应力使围压产生低值波动，一方面使围压减小、摩擦力减小；
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