英语词汇permanent echo怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	permanent echo
释义	permanent echo 简明释义不变回波网络释义短语 1 permanent echo cancellation 固定回波消除
随便看	near-certainty Nearchus near-circular near-circular orbit near clause near-collapse near collinearity near collision near collision near commercial near-commercial scale near compactness near-complete near completion near compromise near-constant near-contact binary near-contact explosion near contact printer near contact printing near continent near-continuous near continuous data protection near convergence point near-crisis

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。