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-现代词典

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	underofficial underogating underogative underopinion underorganization outsprint outsprue outspurn outspurt outspy outstagger outstand outstanding outstare outstartle outstate outstation outstay outsteal outsteam outstep outsting outstink outstorm outstrain

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