本文就此进行了初步分析，认为强震前的预滑移可能产生这种长周期的形变波，它们对大震预报有一定意义。
In this paper we analyze these data and find that the deformation wave of long period comes from pre-movement before a strong earthquake.
穿晶裂纹源于晶内形变损伤区，其扩展机制为沿滑移面的剪切断裂。
Tranagranular cracks result from deformation damage of grain, and its propagation mechanism is shear rupture along slip plane.
观察了低碳钢在低周冲击疲劳过程中循环形变的显微特征。结果表明：循环形变主要由滑移引起。
The micro morphology of low carbon steel cyclic deformed with low cycle impact fatigue was investigated it was found that the cycle deformation is caused by slipping.
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