Cai Z C,Qin S W.Crop yield,N use efficiency and environmental impact of a long-term fertilization experiment in fluvor aquic soil in North China[J].Acta Pedologica Sinica,2006,43(6):905-910.是什么意思_Cai Z C,Qin S W.Crop yield,N use efficiency and environmental impact of a long-term fertilization experiment in fluvor aquic soil in North China[J].Acta Pedologica Sinica,2006,43(6):905-910.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句