LDD缩写的意思

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