Earthquake occur because of tectonic stress action from the interior of earth, rock suddenly rupture and slip.
地震是由于地球内部的岩体受到构造应力作用，导致岩体突然断裂错动的结果。
For basins under the action of different tectonic forces, types of stress environment, their distribution and the genetic mechanics of main structural characters have been studied.
分析了不同性质构造力作用下含油气盆地的地应力类型和分布规律，从机理上说明了各类盆地的构造及断裂特点。
Seimic precursor occurrence is the result from the action of "double force source", namely tectonic stress and the subsurface fluid force.
地震前兆的产生是“双力源”即构造应力和流体力联合作用的结果；
The influence of the deformation environment and different stress action on tectonic coal structure is discussed on the basis of analyzing and identifying a large number of tectonic coal samples.
在大量构造煤分析和鉴定的基础上，探讨了变形环境及不同性质应力作用对构造煤结构的影响。
The stress action of second order tectonic stress district shows coherence in a relatively large area.
二级构造应力区受控于区域块体间的相互作用，在较大区域范围内应力作用具有较强的相关性；
The stress action of second order tectonic stress district shows coherence in a relatively large area. This stress field is controlled by regional block interaction.
二级构造应力区受控于区域块体间的相互作用，在较大区域范围内应力作用具有较强的相关性；
These results are consistent with NE-NEE pinching action of the regional tectonic stress field.
这与区域构造应力场NE-NEE向挤压作用的结果相符。
The stress-states at a point in the earth's crust can be considered to be superposition of two, three or more stress-states, under complex tectonic dynamic action.
在复杂构造动力作用下，地壳内一点的应力状态可视为两个、三个或多个应力状态的叠加。
The stress-states at a point in the earth's crust can be considered to be superposition of two, three or more stress-states, under complex tectonic dynamic action.
在复杂构造动力作用下，地壳内一点的应力状态可视为两个、三个或多个应力状态的叠加。
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