基本解释自诱导物同根派生 英汉例句Recombinant expression of an autoinducer synthase of Mesorhizobium loti in Escherichia coli and analysis of the autoinducer produced in recombinant strain 百脉根根瘤菌群体感应相关基因的克隆与表达Autoinducer synthase 自体诱导物合成酶