“critical density of the universe”的概念、定义、翻译、参考文献-科学参考

单词	critical density of the universe
释义	critical density of the universe 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 ＞理论物理学＞相对论与场论＞释义 critical density of the universe临界宇宙密度
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