Associative nitrogen fixation(ANF) is a focus in biologic nitrogen fixation(BNF) research as one way of three BNF methods.是什么意思_Associative nitrogen fixation(ANF) is a focus in biologic nitrogen fixation(BNF) research as one way of three BNF methods.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句