Hu K L,Li B G.,Lin Q M et al.Spatial variability of soil nutrient in wheat field[J].Transaction of the Chinese Society of Agricultural Engineering,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 field[J].Transaction of the Chinese Society of Agricultural Engineering,1999,15(3):33-38.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句