SI缩写的意思

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