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	flagella flagellant flagellar Flagellata flagellate flagellation flagelliform flagellum flageolet flagfish flag football Flagg flagging flaggy flagitious flagman flag of convenience flag officer flag of truce flagon flagpole flag rank flagrant flagrante delicto flag seat

英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。