DTCH缩写的意思

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