英语词汇classification levels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	classification levels
释义	classification levels 文件、资料的机密级别(如一般机密、机密、绝密和超级绝密等)
随便看	semicommercial semiconducting semiconducting compound semiconducting crystal semiconductings semiconduction semiconductive loading tube semiconductor semiconductor detector semiconductor device semiconductor devices semiconductor diode semiconductor-diode parametric amplifier semiconductor diodes semiconductor disk semiconductor heterostructure semiconductor heterostructures semiconductor intrinsic properties semiconductor junction semiconductor junctions semiconductor laser semiconductor lasers semiconductor memories semiconductor memory semiconductor rectifier

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。