Hu K L, Li B G, Lin Q M et al.Spatial variability of soil nutrient in wheat filed[J].Transactions of the CSAE, 1999, 15(3): 33-38.是什么意思_Hu K L, Li B G, Lin Q M et al.Spatial variability of soil nutrient in wheat filed[J].Transactions of the CSAE, 1999, 15(3): 33-38.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句