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.

颜的加法混三为红、绿、蓝,减法混的三则是它们的补,即:青、品红,染料的三是后者。

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.

本文从度学理说明三义,并详细论述活性染料及分散染料三的合成则。

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

矫正差的复合式透镜：即是红、绿蓝三的差都已矫正。

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.

由于任何一栽颜都能诳骗不一的差别比例搀调不败，油不朱的相保持正是诳骗这个次序。