DSD缩写的意思

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