And then indicate that different spectrum in photopic photometry, mesopic photometry, scotopic photometry and circadian photometry.
进而提出不同色光在明视觉光度学、介视觉光度学、暗视觉光度学和日变光度学的光效率。
Therefore, studies on the mesopic vision condition through the reaction time of the road lighting have been the front research topic.
为此，通过反应时间来研究中间视觉条件下的道路照明已成为该学科国际上的前沿研究课题。
The measuring of simultaneous contrast resolution limits (threshold) of human mesopic vision suggests that they would change when different colors or different gray background.
对人眼同时对比度分辨率限制(阈值)的测定表明，在中间视觉条件下其值随背景灰度及颜色的变化而改变。
Object: to evaluate mesopic contrast threshold under 3 kinds of background and to explore the effect of adaptation time, adaptation luminance and glare on contrast threshold of humans eye.
目的评估3种背景环境下的中间视觉对比度阈值，并探讨暗适应时间、背景亮度和眩光对人眼对比度阈值的影响。
Object: to evaluate mesopic contrast threshold under 3 kinds of background and to explore the effect of adaptation time, adaptation luminance and glare on contrast threshold of humans eye.
目的评估3种背景环境下的中间视觉对比度阈值，并探讨暗适应时间、背景亮度和眩光对人眼对比度阈值的影响。
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