FDC缩写的意思

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