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	psychoacoustics psychoactive psychoanal. psychoanalysis psychoanalyst psychoanalyze psychobabble psychobiography psychobiology psychochemical psychodelic psychodiagnosis psychodiagnostics psychodrama psychodynamics psychoendocrinology psychogalvanic psychogalvanometer psychogenesis psychogenic psychogeriatrics psychograph psychographer psychographics psychohistory

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。