“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	directionally solidified eutectic superalloy directionally solidified superalloy directional machine directional mutation directional partial derivative directional pattern directional pattern of microphone directional pinpoint blasting directional power protection directional quantization directional reflectomography directional selection directional selectivity directional sensor network directional solidification directional supplementation and draining method directional survey telemetry directional valve directional variation directional view directional well tool direction angle direction bias direction bias sampling method direction coefficient

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。