OS缩写的意思

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