brightness level
参考词典中brightness level的常规释义：
基本释义
- 【计】 亮度级
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
点击查看……- the quality of being luminous; emitting or reflecting light
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