用静态链表实现集合(A-B)U(B-A)-The realization of a collection using the static list (AB) U (BA)

要用PIC单片机做模拟系统控制程序。电压，电流采集测量烦得很，这个电子八段管仿真程序就算是提前作个准备吧-Use the PIC microcontroller to do simulation system control program. Voltage and current measurements collected very annoying, this e-Ba Duan tube simulation program even if it is to prepare in adv

电子八段管的仿真--电子式时钟,做电子式时钟的朋友可以下载参考-E Ba Duan tube simulation- Electronic clock, electronic clock so friends can download the reference