用“UFB”造句大全,UFB造句
目前,无线频谱资源由国家统一分配使用,无线频谱分为两个部分:授权频段(LFB)和非授权频段(UFB)。
UFB Ultra-Fine&Bright
Wireless spectrum is allocated for use by the nation today, and Wireless spectrum is divided into two parts: the licensed frequency band (LFB) and unlicensed bands (UFB).