If you dive into extraction theory and you start playing the refractometers, you'll notice that the software does ask you to specify if it's an immersion or a percolation, because it does affect your extraction calculations.
如果你深入研究提取理论,并开始使用折射计,你会注意到软件确实会要求你说明是浸没还是渗透,因为它确实会影响提取计算。