密度比的英文

density ratio

• 密度:    density; thickness
• 比:    2
• 边缘密度比:    edge density ratio

例句与用法

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1. Mercury has a much greater density than water .
   水银的密度比水大得多。
2. It s because the core s density is lighter than our estimates
   核心的密度比我们估计的要低
3. The gas is much less dense than either the solid or the liquid
   气体的密度比固体和液体要小得多。
4. Wood can float on a lake because it ' s not as dense as water
   木头因为密度比水还小，所以能浮在湖面上。
5. If the density is smaller , the universe will expand forever
   若质量密度比临界值少，宇宙便会无休止地膨胀，我们称之为