利用径流冲刷试验，在不同植被格局的坡面上，对黄土丘陵区坡面不同植被格局的侵蚀产沙规律进行了研究。
According to a runoff scouring experiment on different vegetation patterns of slope faces, the loess hilly gully regions different vegetation patterns are studied.
但由于大量工程建设地处复杂的地质环境条件区，边坡失稳时有发生，滑坡灾害成为山地丘陵区工程建设所面临的主要问题之一。
However, the landslide is the one of main problems for construction in complex geological environment as it usually gives rise to the probability of slope failure.
在丘陵地区进行地下工程开挖将破坏坡体原有的稳定性，并形成新的平衡体系。
In hills region, a new equilibrium system will formed after the original stability of slop body was collapsed by excavation works of underground engineering.
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