“orbital replaceable units”的概念、定义、翻译、参考文献-科学参考

单词	orbital replaceable units
释义	orbital replaceable units Encyclopedia 工学（航天产品可靠性）释 orbital replaceable units; ORU在轨可更换单元航天器在轨可进行移动、检查、更换、维修的最低层次单元。
随便看	modal harmony modalism garden modality modal logic modal logic calculus modal matrix modal operator modal Platonism modal predicate calculus modal propagation constant modal proposition modal propositional calculus modal staple length modal statement modal structure modal syllogism modal system modal test modal truncation method modal truth functor modal unbiased estimation modal unbiased estimator modal value modal voice Mo Dan

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。