relative diffusion coefficient of soil air

例句：

1. 1. The relative diffusion coefficient of soil air plays a crucial role in determining the distribution of pollutants in theenvironment.
   土壤空气的相对扩散系数在决定污染物在环境中分布中起着至关重要的作用。
2. 2.The study of this coefficient is essential for understanding the behavior of pollutants in the soil-air interface.
   研究这一系数对于理解污染物在土壤-空气界面的行为至关重要。
3. 3. In agricultural practices, it is important to consider the relative diffusion coefficient of soil air when designing irrigation systems.
   在农业实践中，设计灌溉系统时需要考虑土壤空气的相对扩散系数。