diffusion-dispersion coefficient

例句：

1. 1. The diffusion coefficient of gases in a liquid is a crucial factor in determining their behavior.
   气体在液体中的扩散系数是决定其行为的关键因素。
2. 2.The diffusion coefficient of the drug in the bloodstream is critical for its effectiveness.
   药物在血液中的扩散系数对其有效性至关重要。
3. 3.The diffusion coefficient of pollutants in the environment is an important factor in assessing their impact on wildlife.
   环境中污染物的扩散系数是评估其对野生动物影响的重要因素。