Analysis and assessment for industrial structure and function variation of the agroecosystem in the Hilly and Gully Region of Loess Plateau是什么意思_Analysis and assessment for industrial structure and function variation of the agroecosystem in the Hilly and Gully Region of Loess Plateau在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句