Lighting Standard visibility lighting is provided by fluorescent lamps.
照明荧光灯提供标准能见光。
There has been no standard visibility definition for slant path vision which is frequently occurred in such areas as aeronautics.
航空应用领域常常涉及到的斜程大气视线路径的能见度问题一直没有统一的标准。
The research on the appraisal to the road lighting quality should use luminance standard and small target visibility level which are more conform to the human eye visual characteristic.
研究道路照明应以更加符合人眼视觉特性的亮度指标和可见度指标对道路照明质量进行评价。
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