实验33_频率计 .............\Freq .............\Freq.c .............\Freq.hex .............\Freq.lnp .............\Freq.LST .............\Freq.M51 .............\Freq.OBJ .............\Freq.Opt .............\Freq.plg .............\Freq.Uv2 .............\STARTUP.A51 .............\STARTUP.LST .............\STARTUP.OBJ