英语词汇“guard band”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	guard band
释义	WordReference Random House Unabridged Dictionary of American English © 2024 guard′ band′, [Radio.] an unassigned range of radio frequencies either just above or just below the band of frequencies required for the signal transmitted by a broadcasting station. It helps to prevent interference in receivers between signals from different stations. 1955–60
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