FR缩写的意思

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