“宇宙黑暗期”的概念、定义、翻译、参考文献-科学参考

单词	宇宙黑暗期
释义	宇宙黑暗期 Encyclopedia 理学宇宙学释 cosmic dark ages宇宙黑暗期宇宙演化历史上的复合时期之后到第一代恒星形成之前的一个阶段。
随便看	cleaning sprinkler tanker cleaning suction truck cleaning sweeper cleaning tanker clean limit cleanliness clean metallurgy of recycled metals clean method cleanness inspection of raw silk clean nuclear energy clean of laws clean operation room clean out waste raw silk clean politics culture clean rice clean room cleanroom clean room air purification system cleanroom auxiliary equipment cleanroom filtration system clean room fire cleanroom software engineering clean steel clean steel smelting clean superconductor

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。