英语词汇“distress frequency”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	distress frequency
释义	WordReference Random House Unabridged Dictionary of American English © 2024 distress′ fre′quency, Radio and Television, Telecommunicationsa radio frequency band reserved for emergency signals from aircraft or ships in distress.
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