三原色

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

颜加法混和三原为红、绿、蓝,减法混和三原则是补,即:青、品红和黄,染料三原是后者。

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

差复合式透镜：即是红、绿和蓝三原差都。

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.

本文从度学原理说明三原意义,并详细论述活性染料及分散染料三原合成和筛选原则。