英语词汇luminous efficiency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	luminous efficiency
释义	luminous efficiency 【物】发光系数
随便看	prealarm prealarmed prealarming prealarms prealcoholic prealgebra prealgebraic prealgebras pre-algebras preallegation preallegations preallege prealleged prealleges prealleging prealliance prealliances preallied preallies preallies' preallot prealloted prealloting preallotment preallotments

英汉双解词典包含548777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。