英语词汇“permanent 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	permanent echo
释义	permanent echo Electronics. a radar signal reflected to a radar station on the ground by a building or other fixed object.
随便看	bongo bon gré, mal gré Bonheur bonheur-du-jour bonhomie Bonhomme Richard Boniface Boniface I Boniface II Boniface III Boniface IV Boniface IX Boniface V Boniface VI Boniface VII Boniface VIII boning knife Bonington Bonin Islands Bonita bonito bonjour bonk bonkers bon marché

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