Hence, strata control theory can be used in gas extraction and control of coal and gas outburst.
因此，可以利用岩层控制理论指导瓦斯抽采和预防煤与瓦斯突出的发生。
Now the mining engineering problem has been not just the mining issues, but also to pay attention to stability and surrounding rock strata control problems.
现在的采矿工程已不仅是开采问题，而且还要注意围岩稳定性和岩层控制。
Under the guidance of key layer theory in strata control, the conditions of stiffness and strength for key layer are established by using elastic slab theory.
以岩层控制中的关键层理论为指导，应用弹性板理论建立了关键层的刚度条件和强度条件。
Strata control system belongs to grey system because its position, structure and boundary condition are difficult to describe precisely.
岩层控制系统的状态、结构和边界条件难以精确描述，属本征性灰色系统。
Strata control system belongs to grey system because its position, structure and boundary condition are difficult to describe precisely.
岩层控制系统的状态、结构和边界条件难以精确描述，属本征性灰色系统。
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