Influence of Vegetation Restoration Process on Mineral Nitrogen Accumulation in Soil Profile in Hilly and Gully Region of Loess Plateau--Sample with Zhifanggou watershed experimental area是什么意思_Influence of Vegetation Restoration Process on Mineral Nitrogen Accumulation in Soil Profile in Hilly and Gully Region of Loess Plateau--Sample with Zhifanggou watershed experimental area在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句