Maxwell's mean free path

例句：

1. 1.The physicist calculated the mean free path of the electrons in the gas.
   物理学家计算了气体中电子的平均自由路径。
2. 2.The researcher found that the mean free path of the molecules was reduced by the presence of the solvent.
   研究人员发现，溶剂的存在使得分子的平均自由路径减小。
3. 3.The scientist used a computer simulation to study the mean free path of particles in a fluid.
   科学家使用计算机模拟研究流体中粒子的平均自由路径。