variable-mass dynamics

例句：

1. 1. The variable mass dynamics of the system are crucial to its stability.
   系统变量质量动力学对其稳定性至关重要。
2. 2. In this model, the variable mass dynamics play a significant role in determining the system'sbehavior.
   在这个模型中，变量质量动力学在决定系统行为方面起着重要作用。
3. 3.The variable mass dynamics were studied using experimental data and numerical simulations.
   使用实验数据和数值模拟研究了变量质量动力学。