S3缩写的意思

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