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	pedicure pediform pedigree pedigreed pediment pediococcus pedion pedipalp P.E.Dir. pedlar pedlary pedlery pedo- pedobaptism pedobaptist pedocal pedodontics pedodontist pedogenesis pedograph pedology pedometer pedomorphism pedophile pedophilia

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。