FRS缩写的意思

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