中文说明：此程序是matlab中给出连续系统的s函数，给出了如何在simulink中建立一个变量，注释详尽，使用简单，其中的注释详细，自己可以对变量做相应的变换-This procedure is given in matlab continuous system s function is given how to create a simulink variables, comments, detailed, easy to use, which notes in detail that they can make the corresponding change of variables
English Description：
This procedure is given in matlab continuous system s function is given how to create a simulink variables, comments, detailed, easy to use, which notes in detail that they can make the corresponding change of variables