intra-molecular potential

例句：

1. 1.The study of molecular dynamics is crucial for understanding the behavior of molecules in a liquid state.
   研究分子动力学对于理解液体中分子的行为至关重要。
2. 2. Intra-molecular potential energy is a key factor in determining the stability of a material.
   分子内部的势能是决定材料稳定性的关键因素。
3. 3.The researcher calculated the intra-molecular potential energy to determine the optimal temperature for crystal growth.
   研究者计算了分子内部的势能以确定晶体生长的最佳温度。