Xu X Y,Zhang M M,Zhai B N et al.Genotypic ariation in nitrogen use efficiency in summer maize[J].Plant Nutr.Fert.Sci.,2006,12(4):495-499.是什么意思_Xu X Y,Zhang M M,Zhai B N et al.Genotypic ariation in nitrogen use efficiency in summer maize[J].Plant Nutr.Fert.Sci.,2006,12(4):495-499.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句