...力状态；主应力；应力主方向 [gap=333]Key words：MALTAB；VC++； stress state；principal stress；principal stress direction ...
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扰动因子向量的方向与材料单元体应力主方向相同。
The orientation of disturbance factor vector is the same as that of vector of material unit stress.
通过数值试验论证了利用多个断层面随机取向的地震的P、B、t轴推断构造应力主轴方向的可能性。
A numerical computation test shows the possibility of inferring the principal axes of tectonic stress from the p, b, t axis of earthquakes with randomly oriented fault planes.
挤压应力主要来自南西方向、北东方向起阻挡作用。
The compressional stress mainly comes from SW, and the NE direction ACTS as a resistance.
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