时钟试验\shiyan ........\shiyan.c ........\shiyan.hex ........\shiyan.lnp ........\shiyan.LST ........\shiyan.M51 ........\shiyan.OBJ ........\shiyan.Opt ........\shiyan.plg ........\shiyan.Uv2 ........\shiyan_Opt.Bak ........\shiyan_Uv2.Bak 时钟试验