Exemplum are anecdotes that support a moral point.

说教性轶事通常支持道德观点。

The calculated exemplum by using this model indicates that experimental regression constant in the diffusion coefficient equation varies with the flow velocity of fluid and ranges from 0.014 to 0.020.

研究结果表明，颗粒扩散系数方程中的实验回归系数应考虑成流速的函数，取值范围为0.014～0。 020；