virial-theorem mass

例句：

1. 1. The virial-theorem is a fundamental concept in statistical mechanics.
   维里安定理是统计力学中的一个基本概念。
2. 2. The virial-theorem has been used to explain the behavior of gases at high temperatures.
   维里安定理被用来解释高温下气体的行为。
3. 3. The virial-theorem is crucial for understanding the behavior of fluids under extreme conditions.
   维里安定理对于理解流体在极端条件下的行为至关重要。