英语词汇“control echo”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	control echo
释义	control echo control echo [kən′trōl ‚ek·ō] (engineering) In an ultrasonic inspection system, consistent reflection from a surface, such as a back reflection, which provides a reference signal.
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