| 单词 | luminous efficiency |
| 释义 | luminous efficiencynoun : the ratio of the total luminous flux radiated by any source to the total radiant flux from that source commonly expressed in lumens per watt |
| 随便看 |
|
英语词典包含469781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。