XFCN缩写的意思

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