英语词汇backup frequency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	backup frequency
释义	backup — 奥援 frequency n — 率 n • 频 n • 次数 n • 班次 n • 频率 n • 频道 n • 频数 n • 类频数 n • 卛 n
随便看	should guide should guide you should had been should had have should handle should happen should harmonize should have should have access should have accumulated should have a chance should have acted should have added should have a diameter should have adjusted should have adopted should have agreed should have a look should have already should have a mammogram should have answered should have appeared should have appreciated should have a room should have asked

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。

backup —