到目前为止，也还没有哪门科学可以精确预测断层和火山的活动规律。
There is not yet even a science for predicting when faults and volcanoes will let loose.
对于断块油田来说，研究裂缝与断层的关系及其分布规律是一项很有意义的工作。
It is a significant job for fault block oil reservoir to study the relationship between fracture and faultage and the law of fracture distribution.
因此，对煤层顶底板的变形破坏规律、构造特征以及断层各要素的研究都是防治奥灰岩含水层突水的关键问题。
Therefore, study on the deformation and breakage law of upper and down floor of coal layer, the character of formation, each fault factor are the key problem for prevention the water inrush.
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