SOS缩写的意思

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