PD缩写的意思

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