PDN缩写的意思

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