说明： 压缩包中第一个为一个钟表程序，第二个是模拟低通滤波器程序，第三个是删除目录程序，第四个是读入麦克风程序，第五个为管接套程序 ( Compression package of center first is a clock and watch
procedure, second simulates the low pass filter procedure, third
deletes the table of contents procedure, fourth reads in the
microphone procedure, fifth for pipe joint set of procedure )
