rarefied effect

• 稀薄效应

rarefied effect的用法和样例：

例句

1. Simulation results show that rarefaction effect plays an important role in gas damping, which decreases as Kn Number increases.
   数值模拟结果表明，稀薄效应对气体阻尼的影响较大，随着克努森数的不断增大，气体阻尼逐渐减小。