自由能

例句：

1. 1.The free energy of the system is crucial for its stability.
   系统的总能量是其稳定性的关键。
2. 2.The researcher found that the free energy of the system could be significantly reduced by using a new material.
   研究者发现，使用新材料可以显著降低系统的自由能。
3. 3. The free energy of the system can be used to predict its behavior under different conditions.
   系统的自由能可以用来预测在各种条件下的行为。