FCS缩写的意思

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