“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	position gyroscope position head position hologram position indicating mark positioning positioning and orientation system positioning device positioning dowel positioning of column positioning of costume design positioning point positioning sensor positioning sleeve Positioning system positioning technology based on the ground mobile network position inversion operator position line position location reporting system position matching position measurement position micrometer position of a game position of point symmetry position of readiness for action position of similarity

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。