渠道和部分波段内的超高频无线电频谱分配的部分国际电信联盟(itu)。
Channels and subbands within the UHF portion of the radio spectrum are allocated by the International Telecommunication Union (ITU).
联邦通讯委员会觉得可行，它已起草一项提案建议说服电视公司出让它们的部分波段。
It has come up with a proposal to persuade TV companies to part with some of their airwaves.
虽然日光中有用的那部分波段被窗玻璃阻断了，但与皮肤癌相关的长波紫外线(uva)却很容易穿过玻璃。
While the useful wavelengths are blocked by window glass, ultraviolet-A wavelengths associated with skin cancer easily pass through the glass.
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