英语词汇“echo ranging”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	echo ranging
释义	echo ranging echo ranging [′ek·ō ‚rānj·iŋ] (engineering) Active sonar, in which underwater sound equipment generates bursts of ultrasonic sound and picks up echoes reflected from submarines, fish, and other objects within range, to determine both direction and distance to each target. (vertebrate zoology) An auditory feedback mechanism in bats, porpoises, seals, and certain other animals whereby reflected ultrasonic sounds are utilized in orientation. AcronymsSeeER
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