“航天器自主天文导航”的概念、定义、翻译、参考文献-科学参考

单词	航天器自主天文导航
释义	航天器自主天文导航 Encyclopedia 工学光学天文导航释 autonomous celestial navigation of spacecraft航天器自主天文导航通过观测自然天体确定航天器的姿态、航向、位置的导航技术。
随便看	direct product mapping direct product module direct product of algebras direct product of distributions direct product of groups direct product of modules direct product of rings direct product of sets direct product of sheaves direct product of topological groups direct product ring direct product set direct product space direct product topology direct proof direct proportion direct proportionality direct proton decay direct radiation grafting (simultaneous radiation grafting) direct ratio direct reaction direct reaction model direct recombination Direct Recording of Infantile Tuina direct-reduction iron

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。