真的是一个好程序，有CDF三角函数曲线/三维曲线图，具有丰富的参数选项,IMC-PID是利用内模控制原理来对PID参数进行计算。- Really is a good program, There CDF trigonometric curve/3D graphs, It has a wealth of parameter options, The IMC- PID is using the internal model control principle for PID parameters i