PgDn缩写的意思

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