... photoluminescence measurent光量子发光测量 photometric device光度仪器 photometric quantity光照度 ...
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第二章阐述了光度和色度测量的基本原理，测量的方法及其仪器的工作原理。
The second chapter clarifies luminosity and chroma measure keystone, measure methods and instruments word theory.
仪器采用吸光光度法测量原理，在测量方法上避免了模拟对数放大与运算；
With the measurement principle of spectrophotometry, the analyzer calculates absorbency by software . avoiding the mathematical formulas of logarithmic ratio amplifiers.
褪色计：用来计算油墨或其他物料在预定的控制环境下的耐光度的仪器。
Fadeometer: An instrument used for determing the lightfastness of inks and other material under predetermined controlled conditions.
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