FRS缩写的意思

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