FSK缩写的意思

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