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.

本文从色度学明三色意义,并详细论述活性染料及散染料三色合成和筛选则。

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

颜色法混和三色为红、绿、蓝色,减法混和三色则是它们补色,即:青、品红和黄色,染料三色是后者。