英语词汇operational trial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	operational trial
释义	operational trial operationalizevt. 使用于操作,使开始运转,实施 proportionalityn. 比例(性)；均衡(性)；相称
随便看	optical film fiber coupler optical filming optical film monitor optical film of device Optical filter optical, filter optical filter box optical filter cascade optical filter communications optical filter coupler optical filter design optical filter gas analyzer optical filtering optical filtering technique optical finder optical finish optical fire director optical fit optical fitting dimension optical fitting dimensions optical flame fire detector optical flare optical flash frame Optical flat optical flat glass filter

英汉双解词典包含3607232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。