SLD缩写的意思

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