英语词汇“sonic altimeter”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	sonic altimeter
释义	sonic altimeter sonic altimeter [′sän·ik al′tim·əd·ər] (engineering) An instrument for determining the height of an aircraft above the earth by measuring the time taken for sound waves to travel from the aircraft to the surface of the earth and back to the aircraft again.
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