EM缩写的意思

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