复盖岩石;表土;
In the loess, it decays quickly, the shock wave spread in a not wide scope, the earthquake wave characteristic appears quickly in the far zone, and the capping mass, the salty crag and the granite present obvious dissemination characteristic of elastic stress.
冲击波在黄土中衰减最快,传播范围小,远区很快衰减为地震波;冲积土、盐岩和花岗岩表现明显的弹性应力波传播特征。
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