“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	sports economic organizations sports economy sports education sports emblem sports entertainment sports equipment sports ethics sports event information system sports event media operation sports events broadcasting Sports Federation and Olympic Committee of Hong Kong，China sports field per capita sports film sports fitness equipment sports for the disabled sports for the elderly sports for workers and staff members sports foundations sports funds Sports games sports gender discrimination sports goods sports governance system sports government organization Sports Grandstand

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。