average density的用法和樣例：
例句
- We then insert this average density into Einstein's equations for gravity and determine the averaged expansion rate of the universe.
然後將平均密度帶入按因斯坦重力方程來確定宇宙的平均膨脹速率。 - This effect is seen as a deviation from the uniform Hubble expansion of the galaxies and provides a measure of the mean density within the Virgo Supercluster.
這作用被視為背離銀河哈勃膨脹的統一而提供對室女座超星系團內平均密度的測量。
