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

颜色的加法色为红、、蓝色,减法的色则是它们的补色,即:青、品红黄色,染的色是后者。

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

矫正色差的复合式透镜：即是红、蓝色的色差都已矫正。

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.

本文从色度学理说明色意义,并详细论述活性染及分散染色的合成筛选则。

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.

由于任何一栽颜色都能诳骗不一色的差别比例搀调不败，油不朱的色相保持正是诳骗这个次序。