free-bound factor

例句：

1. 1. The study of the free-boundfactor is crucial for understanding the dynamics offluid flow.
   研究自由边界因子对于理解流体流动的动态至关重要。
2. 2. Inthis model, the free-bound factor represents the effectof external forces on the system.
   在这个模型中，自由边界因子代表了外部力对系统的影响。
3. 3. The analysis of thefree-bound factor helps to identify thekey factors that affect the performance of thesystem.
   分析自由边界因子有助于识别影响系统性能的关键因素。