For the sake of stress relaxation, the tectonic boundary between these two different terrains (i. e. the Lingshan structure zone) expressed as a dextral fault in late period.
由于应力弛张作用，使两地体间的构造分界线（灵山构造带）后期表现为左旋断层性质。
At last, computing tectonic stress of dam zone and the relaxed-tension rock mass influence on the engineering (mostly influence on stability of underground cavern) using three-dimensional FEM.
最后利用三维有限元计算坝址区的构造应力以及这部分卸荷拉裂夹泥岩体对工程(主要是地下洞室稳定性)的影响。
This seismic zone is a recent crust shear rupture zone under the uniform modern tectonic stress field in a large scale;
此地震带具有统一的现代区域构造应力背景，是华北东南部的一条现代地壳剪切破裂带；
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