友情提醒：点击
，可以收听真人发音
，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
luminance ['lju:minəns]
基本释义
- [计] 亮度
参考例句
- A unit of luminance equal to1 / x candela per square foot.
英尺朗伯等于每平方英尺1;x新烛光的亮度单位
- A unit of luminance equal to1 / x candela per square foot.
英英解释
1个名词解释
- the quality of being luminous; emitting or reflecting light
[同] brightness, brightness level, light, luminance, luminosity, luminousness
[例]- its luminosity is measured relative to that of our sun
- the quality of being luminous; emitting or reflecting light