PG缩写的意思

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