随后的山体滑坡及其它块体移动又造成了头向侵蚀与河流袭夺，种种的这些都倾向于加深、扩展干旱环境中的峡谷。

Subsequent landslides and other mobile block caused the first to capture and river erosion, all kinds of these tend to deepen, expand arid canyon environment.

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本文是用碎块体理论研究由于地下开采引起的岩层和地表移动的基本规律的初步尝试。

This paper is a tentative research on the fundamental law of the ground movement due to underground mining.

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