英语词汇“echo repeater”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 repeater
释义	echo repeater echo repeater [′ek·ō ri‚pēd·ər] (engineering acoustics) In sonar calibration and training, an artificial target that returns a synthetic echo by receiving a signal and retransmitting it.
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