LL缩写的意思

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