PD缩写的意思

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