YL缩写的意思

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