英语词汇secondary ion background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	secondary ion background
释义	secondary ion background 简明释义二次离子本底专业释义 1 动力与电气工程二次离子本底 2 机械工程二次离子本底
随便看	manual compound scanner manual compression manual computation manual concept manual configuration manual consolidation manual contact manual contact compound scanning manual control manual control manual control device manual control filter manual-control freewheeling manual controlled block system manual controller manual control lever manual control mode manual control of cargo valve manual control of feedback system manual control open loop manual control panel manual control pitch propeller manual control response ratio manual control screw manual control station

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。