Effects of land-use pattern change on soil and water loss at the catchment scale in the hilly and gully area of the loess plateau of China是什么意思_Effects of land-use pattern change on soil and water loss at the catchment scale in the hilly and gully area of the loess plateau of China在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句