Making an approach to the time scale of several tens to hundreds years of engineering geological process is put forward and inquired in this paper.

对几十年到几百年的时间尺度上的工程地质作用进行了探讨。

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In different engineering geological conditions, the construction process, the migration of overlying strata have different rules.

在不同工程地质条件下，施工过程中覆岩具有不同的运移规律。

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It results in an essential leap in cognition process concerning complicated geological engineering conditions on Daliushu dam site.

这个问题的提出使得人们对大柳树复杂工程地质条件的认识有了一个质的飞跃。

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