在实验的基础上，得到了计算单个颗粒扩散收集效率的经验方程式。
Empirical equation of single granule collection efficiency by diffusion was obtained based on experiments.
在实验的基础上，得到了计算单个颗粒惯性碰撞收集效率的经验方程式。
The empirical equation of single granule collection efficiency by impaction was established based on the experiments.
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