The stability of tunnel in mining-coal induced subsidence area is a complicated problem because of the influence of tunnel excavation and strata displacement induced by mining.
采煤塌陷区隧洞围岩稳定性，既受隧洞自身开挖的影响，又受洞下采煤引起地层移动的影响，是一个极其复杂的问题。
The influence of mining area resources exploitation on the ecological environment has been noticed by more and more peOPle.
矿区资源开发对生态环境的影响越来越受到人们的关注。
Among the geological disasters caused by coal exploitation, the influence on human environment by mining area sinks is especially severe.
煤炭开采所引发的地质灾害中，以开采沉陷对人类环境的影响最为严重。
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