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.
随便看	vibration vibrational vibrational quantum number vibrationless vibrations vibration white finger vibrato vibrator vibratory vibrio vibrionic vibriosis vibrissa vibrissal vibro- vibrograph vibrometer viburnum vic vicar vicarage vicar apostolic vicarate vicar capitular vicar choral

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