UFB
- 网络超高速宽带;英联邦;超高速光纤宽带;免烧砖
UFB-
Vibrational relaxation of ufb in sf_6-uf_6 system
SF6-UF6体系中六氟化铀的振动弛豫研究
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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 ) .
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）。