1. Additive mixture ofcolortrichroism is red,green and blue,subtractive mixture,as its complementary colors,is cyan,ma genta and yellow,thatis the dyestuff trichroism.
   颜色的加法混和三原色为红、绿、蓝色,减法混和的三原色则是它们的补色,即:青、品红和黄色,染料的三原色是后者。
2. 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的合成和筛选原则。

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