光学霾 optical haze
霾滤光片 haze filter
霾消光 haze extinction
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由于灰尘、硫酸、硝酸等粒子组成的霾，其散射波长较长的光比较多，因而霾看起来呈黄色或橙灰色。
The dust, sulfuric acid, nitric acid and other particles in the haze, the scattering light with longer wavelength is much, so the haze appears yellow or orange gray.
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