HDSL缩写的意思

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