Subjected to actual measure method and technical level, it is difficult to predict the distribution of sedimentary facies of underground strata by rule and line .

限于目前的测量手段和技术水平，要做好地下地层沉积相的预测是很难的。

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The strata movement and the ground surface subsidence caused by underground mining are serious underground engineering problems.

地下开采引起的岩层移动和地表沉陷是一个非常严重的地下工程问题。

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From the attitude of strata and the number of characteristic point at an underground non-bedded shape room, the method to determine the equation of stratum structure was presented.

根据非层状地下空间处地层产状及定位特征点数，给出了确定地层构造形态的方法。

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In Proceedings of the National Academy of Sciences, Messrs Kelemen and Matter suggest an alternative: pumping the gas from places where it is produced and into underground strata of peridotite.

ECONOMIST: Greenhouse gases: Eating carbon | The

The underground storage areas are created by removing salt in the rock strata with equipment similar to high pressure water jets.

BBC: Attwood gives go-ahead to Larne Lough gas scheme