IM缩写的意思

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