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、、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。

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

矫正色差复合式透镜：即是红、和蓝三原色色差都已矫正。

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.

本文从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合成和筛选原则。

As a result of any all make use of the primary colors of the combination of different proportioner, ink color change is the use of this law.

由于栽颜色都能诳骗不原色差别比例搀和调不败，油不朱色相保持正是诳骗这个次序。