Plastic deformation as the result of dislocation motion; also, the shear displacement of two adjacent planes of atoms.
位错移动导致的塑性变形或两个相邻原子面的剪切位移。
Using the Finite Element Method (FEM) and dislocation theory, we simulated the asymmetric earthquake displacement field of a vertical strike-slip fault caused by laterally inhomogeneous medium.
结合位错理论和有限单元法，对介质横向不均匀性引起的直立走滑断裂地震水平位移场不对称性进行了数值模拟研究。
Conclusion: Acetabular anterior wall fractures should be treated with operation, if it has great fracture mass, serious displacement and femoral head dislocation.
结论：骨折块较大、移位比较严重且伴有髋关节前脱位的髋臼前壁骨折需要手术治疗。
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