人类视觉系统把到达人眼的光学信号分离为亮度和色度信息，并对它们做不同的处理，这是人类视觉系统的一个重要性质。
In Human Vision System, the optical signal is separated to brightness and chroma information, and they are processing differently. It is an important quality of Human Vision System.
利用一种直接由天空亮度的相对分布反演气溶胶光学特性的方法。
We propose a method to retrieve aerosol optical characteristics directly from the distribution of sky brightness.
为了研究金属电爆炸现象，采用多通道光学高温计对金属桥箔和金属桥丝电爆炸产生的等离子体光谱辐射亮度进行了测量。
For investigating the characteristics of metal explosion, the multichannel optic pyrometer was used to measure the radiation intensity of the plasmas produced by metal conductor explosion.
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