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141.亮度 luminance 亮度是一种对可视辐射通量的客观测量,由CIE光谱光效率函数(即CIE标准光度观测者视觉曲线)对彩色加权。从这个术语的最基本定义引出的数种应用述语已很通用(见参照)。对亮度(luminance)的主观反应就是光亮度
141. Luminance brightness Luminance is an objective measurement of the flux of visible radiation weighted by the CIE spectral optical efficiency function (ie, the CIE standard photometric observer visual curve). Several application descriptors derived from the most basic definition of this term are common (see references). The subjective reaction to luminance is brightness