rainstorm erosion 中文意思是什麼
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Results were as follows : surface erosion occurs in vast areas, but in low intensions ; gravitation erosion was caused by rainstorm, and always happened in steep slope with gradient degree more than 35 ; water loss is the most important form in low mountainous areas
結果表明：坡面面蝕發生范圍廣，程度重，但強度不大；重力侵蝕的誘因是暴雨，多發生在坡度大於35 %的陡坡坡面；水的流失是低山丘陵區坡面水土流失的重要形式。
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