DN缩写的意思

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