1.
Direct light is better for reading than diffuse light.
直射光比漫射光更有利于阅读。
2.
artificial light is not to be compared with daylight for general use
作为一般用途，人工光比不上白日光。
3.
ratio-recording spectophotometer
比率记录分光光度计
4.
split-field photometer
分场[对比]光度计
5.
Light travels faster than sound.
光的速度比声音快。
6.
one to one projection system
一比一投影曝光装置
7.
a match played under floodlights
在泛光灯下进行的比赛.
8.
relative spectral directional reflectance
相对光谱定向反射比
9.
Not of itself, but thee.
只因你赠给它无比光辉！
10.
photoelectric tristimulus colorimeter
光电三色激励比色计
11.
ratiomethod of Fourier spectrometry
傅里叶光谱测量比例法
12.
diffuse transmittance
漫射透光率,漫射透射比
13.
contrast ratio of ELD
电致发光屏的对比度
14.
Because light travels much faster than sound.
因为光速比声速快。
15.
using a phenolsulfuric acid colorimetric method
用苯酚磺酸光电比色法
16.
She avoided Belinda's eyes.
她避开了比琳达的眼光。
17.
comparator, optical or graduated scale-type
光或分度标式比较仪
18.
(metaphor) shining brightly.
（比喻说法）明亮的发光。