说明：  这是我在大学本科汇编课程的一个小程序，MIPS语言，功能也很简单，程序会要求用户输入一个20个character长度的字符串，然后用了三种不同的算法来判断此字符串是否是回文序列，然后给予用户feedback
(This is my compilation of courses at the undergraduate a small program, MIPS language functions are very simple, the program will ask the user to enter a 20 character length string, then use three different algorithms to determine whether this string palindromic sequence, and then give the user feedback)