OCA缩写的意思

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