GSN缩写的意思

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