首页
汉语词典
英英词典
请输入您要查询的英文单词:
单词
luminous efficiency
释义
luminous efficiency
n.
The ratio of the total luminous flux to the total radiant flux of an emitting source.
随便看
Fayetteville
faze
façade
façadism
faïence
FB
FBI
FBO
f-bomb
fc
FC
FCA
FCC
F clef
FD
FDA
FDIC
Fe
fealty
fear
Fear
fearer
fearful
fearfully
fearfulness
英语词典包含135693条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 mdict.net All Rights Reserved
更新时间:2026/6/16 20:14:09