三原色

Additive mixture ofcolortrichroism is red,green and blue,subtractive mixture,as its complementary colors,is cyan,ma genta and yellow,thatis the dyestuff trichroism.

颜色法混和三原色为红、绿、蓝色,减法混和三原色则是它们补色,即:青、品红和黄色,染料三原色是后者。

Based on the colorimetry mechanism,the meaning oftrichroism is studied,as well as the synthetic and selecting principles of trichroism ofreactive and disperse dyes in particular.

本文色度学原理说明三原色意义,并详细论述活性染料及分散染料三原色成和筛选原则。

Apochromatic lens: Compound lens corrected for chromatic aberration, i.e. the three primary colours , red, green and blue are corrected. Also called Apochromat.

矫正色差复镜：即是红、绿和蓝三原色色差都已矫正。