定 义 泥石流以巨大的冲击力和搬运力冲刷沟道、破坏和淤埋各种建筑物与设施的过程。
猛烈的暴雨和干旱交替反过来又会导致更多的洪灾、泥石流、土壤侵蚀等其他灾难。
This combination of severe rainstorms and droughts, in turn, can lead to more flooding, landslides, soil erosion and other disasters.
土壤团聚体的抗蚀性特征对土壤侵蚀的影响已经受到国内外学者的广泛关注，但还未见有泥石流源地土壤团聚体与抗蚀性研究的报道。
The effects of antierodibility of soil aggregates on soil erosion have been reported by many researchers both at home and a-broad, but little research work has been done on debris flow provenance.
本文从降雨、河槽侵蚀机理等方面进行了成因探讨，并提出了以疏导工程防止泥石流改道、控制古堆体活动为主的整治对策。
The chemical erosion mechanism of slide board in casting of Ca-treated steel is analyzed, the research situation at home and abroad about it introduced.
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