小流域内松散碎屑物质的稳定性及储量可以作为泥石流沟判别的依据。

The assessment of the stability and reserves of the loose deposits along the mountainous stream basins may help establish a basis for the recognition of debris flow gullies.

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有助于人们准确判别泥石流沟，认识泥石流灾害，从而做好预测和防治工作。

All those are conducive to correct identification of debris-flow gully and analysis of debris-flow hazards and also are important for debris-flow forecast and prevention.

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支沟是高频小规模泥石流沟，但是在一定条件下也可能爆发相当规模的大型泥石流。

Tributary debris flow is smaller and higher frequency one, but in some conditions, big debris flow can also be break up.

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