SD缩写的意思

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