...、有效电子源半径（Effective source radius）、发射电流密度（Emission current density）、标准亮度（Normalised brightness）等方面冷场发射略胜筹几参数总起来说冷场发射阴极发射面积较小、能量集便于电子束聚焦于小点提高分辨率现代电镜技术条件下热场发...
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标准亮度曲线 standard luminosity curve
标准亮度响应 standard luminance response
标准化亮度 Normalized Brightness
形灯罩和标准的高亮度 High Intensity Discharge ; HID
亮度标准 [光] brightness standard
这两种图景之间的差异可能会与超新星被当成“标准烛光”(也就是亮度已知的天体)来测量遥远宇宙距离的方式有关。
The difference between these two scenarios may have implications for how these supernovae can be used as "standard candles" — objects of a known brightness — to track vast cosmic distances.
在标准的视频测试中(循环播放MPEG4视频，打开WiFi，屏幕亮度设为65%)，iPad 2得到了10小时26分的好成绩。
In our standard video test (running an MPEG4 video clip on loop, WiFi on, screen at roughly 65 percent brightness), the iPad 2 managed an astonishing 10 hours and 26 minutes of non-stop playback.
现行标准l 70，指出当LED只能发出原始亮度的70%时，就算寿终正寝了。
The current standard, called L70, refers to the point at which an led is able to generate only 70 percent of the light it originally produced.
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