The sediment sources in the gully hilly loess area in southwest Shanxi Province, north China was studied.
该文研究山西西南部黄土区小流域的泥沙来源。
Wind erosion is one of the most calamity weather phenomenon in loess hilly-gully area of Hebei Province, it often occurs in winter or spring.
风沙是河北省黄土丘陵区较常见的灾害性天气现象之一，多发生于冬春季节。
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