FCN缩写的意思

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