CRD缩写的意思

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