eddy diffusivity

例句：

1. 1. The eddy diffusivity of the fluid is a key factor in determining its behavior.
   流体的涡流扩散率是决定其行为的关键因素。
2. 2. In this experiment, we measured the eddy diffusivity of the gas in the container.
   在这个实验中，我们测量了容器中气体的涡流扩散率。
3. 3. The eddy diffusivity of the soil particles plays an important role in the process of water infiltration.
   土壤颗粒的涡流扩散率在水分渗透过程中起着重要的作用。