英语词汇required 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	required spectrum
释义	required — 所需 • 必要 spectrum — 波谱 require — 需 • 需要 • 要求 • 必需 • 要有 require v — 规定 v • 命令 v
随便看	request a payment request a permission request a permit request a pick up request a picture request applies request a price quote request a printed request a proof of identity request a quotation request a quotation form request a quote request arbitration request a receipt request a reminder request a replacement request a response request a return request a review request a revision request arising from request a room request a ruling request a salary request a sample

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。

required —