As viewed from the variation characteristics of crustal dynamic stress, the superimposing process of shear stress manifests the preparation process of earthquakes.
从动应力变化特征看，动剪应力叠加变化过程反映了孕震过程。
The static characteristics of the blade subjected to different loads are analyzed, obtains the stress and displacement variation rule.
计算了叶片在不同工作载荷下的静态特性，得到了其应力分布和变形规律。
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