英语词汇envelope spectrum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	envelope spectrum
释义	envelope — 信封 • 外壳 • 函 • 焘 • 封皮 envelope n — 封套 n • 包络 n spectrum — 波谱
随便看	dual cluster dual clutch dual clutch automatic transmission dual-clutch gearbox dual clutch system dual-clutch transmission, dual clutch transmission dual-clutch transmission, dual coating dual coaxial dual color dual color led dual column dual communication dual comparators dual compartment dual competence dual-component dual-component toner dual-compression dual compressor dual computer dual concentration dual configuration dual connection

英汉双解词典包含2273206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。

envelope —