PC缩写的意思

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