Poisson's distribution combined with Fick's diffusionlaw is used to describe chloride ions' invasion and the corresponding formula are presented.
尝试运用结合费克扩散定律的泊松分布来描述氯离子侵蚀现象，给出了相应的公式。
2
In the process of hydrodynamic calculation, ocean current and monsoon have been added to the model, and the diffusionlaw of cooling water under the condition has been studied.
在水动力计算过程中考虑了洋流和季风等长周期动力因素，研究了温排水在这种长周期动力条件下的扩散规律。
3
The simulation test can study the movement law of pollutant diffusion under the diffident hydrodynamic condition.