File list (Check if you may need any files):
lesson13\例程\lesson10.pcb
........\....\lesson10.PcbDoc
........\....\lesson10.SchDoc
........\....\........\Backup of lesson10.pcb
........\....\........\lesson10.pcb
........\....\lesson10
........\例程
lesson13
.......1\例程\define.h
........\....\shizhong
........\....\shizhong.c
........\....\shizhong.hex
........\....\shizhong.lnp
........\....\shizhong.LST
........\....\shizhong.M51
........\....\shizhong.OBJ
........\....\shizhong.Opt
........\....\shizhong.plg
........\....\shizhong.Uv2
........\例程
lesson11