“宇宙临界密度”的概念、定义、翻译、参考文献-科学参考

单词	宇宙临界密度
释义	宇宙临界密度 Encyclopedia 理学宇宙膨胀释 critical density of the universe宇宙临界密度使宇宙平坦（即空间曲率）的宇宙总能量密度，通常用符号来标记。 Physics ＞天体物理学＞释义 cosmic critical density宇宙临界密度
随便看	closed manifold closed mapping closed mixed-refrigerant cycle liquefaction process closed model Closed Mondays closed monoidal category closed morphism closed motor skill closed n-ball closed n-disk closed neighborhood closed neighbourhood closedness closedness of dictionary closed normal form closed n-sphere closed object closed oil gathering process closed-open set closed operator closed orbit closed orthogonal sequence closed orthogonal system closed orthonormal system closed path

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。