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 【电子学】不变回波
随便看	Daugava Daugavpils daugavpilss daughter daughter atom daughter board daughter cell daughter cells daughter chromosome daughter element daughter elements daughterhood daughter-in-law daughter-in-laws daughter language daughterless daughterlike daughterlinees daughterly daughter nucleus daughter of Abraham daughter of faith daughter of Jezebel daughter of joy daughters

英汉双解词典包含483723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。