利用Matlab7． 0 开发出图解计算精馏塔理论级数行的新方法． 该方法简单、准确、应用范围广，还可以通过改变输入参数，计算不同条件下精馏塔的理论级数，并能够可视化地输出理论级数的图解过程．-With Matlab7. Developed a new method for graphical calculation of ideal series. The method is simple, accurate, and a wide range of applications, and can