PFA缩写的意思

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