Rainfall is the key factor to soil erosion.

降雨是影响土壤侵蚀的关键因素。

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Rainfall is a key factor affecting soil erosion and nutrient cycle by runoff in low hilly red soil area.

降雨是影响低丘红壤坡地土壤侵蚀和养分随径流迁移的一个关键因子。

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Rainfall is usually a main activating factor to bring slope destabilization.

降雨往往是引起边坡失稳的主要促发因素。

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One important factor affecting the water quality is the area's temperature and rainfall, and Hunt's model is set up for the mid-Atlantic region of the United States.

VOA: standard.2010.08.04