PFR缩写的意思

AFC CPM ASC AJG CC SFB DVVI CPS mcu SOC DPON CRC IOB DTD SSG ASI DTP ppm CAI EELS APARS DS SSM EWT IS-IS Bps FED UMTS DFSK CICS DCN NDS APADAS STB MADP EAF ESC GDPS CSE CTDM EEROM QDOS GPS DCT RAID CNCC DVC GIMM AP NCBA FCN EFCI ETE DL IM RIP ABDL S3 DFOS EF