“free living nitrogen fixation”的概念、定义、翻译、参考文献-科学参考

单词	free living nitrogen fixation
释义	free living nitrogen fixation Encyclopedia 农学自生固氮作用释 free living nitrogen fixation自生固氮作用独自生活在土壤、水域或培养基中与其他生物无依存关系的一类原核生物将分子态氮还原为氨的过程。又称非共生固氮作用。
随便看	fixed set fixed set-point regulatory systems fixed ship loader fixed simplex fixed singularity fixed singular point fixed solution fixed sphere fixed spherical mirror Fixed spherical Radio telescope fixed spherical radio telescope fixed spherical reflector fixed star fixed state measurement fixed step size fixed subgroup fixed-sum insurance fixed support impressed current cathodic protection fixed system fixed target fixed target experiments fixed-target experiments fixed-term labor contract fixed theory and the mobilistic theory of crustal movements fixed thread

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