TTA缩写的意思

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