The following is the equation for linear flow with skin, at constant rate, in dimensionless form.

这句话的意思是，在稳定流动的前提下，包含表皮因子的线性流方程的无因次形式。

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With reducing and regaining constant, it is showed that natural unit and dimensionless transformation are the same in physical equation.

本文给出寻找无量纲变换的一种具体作法，通过物理方程常数的压缩与恢复得出自然单位与无量纲变换相一致的结论。

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