virial theorem

例句：

1. 1. The virial theorem is a fundamental principle in statistical mechanics.
   维里尔定理是统计力学的一个基本原理。
2. 2. The virial theorem has been used to predict the behavior of many complex systems.
   维里尔定理已被用来预测许多复杂系统的运行情况。
3. 3. In this paper, we will use the virial theorem to analyze the behavior of a gas at high temperature and pressure.
   在这篇文章中，我们将使用维里尔定理来分析气体在高温高压下的行为。