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.

颜的加法混和三原为红、绿、蓝,减法混和的三原则是它们的补,即:青、品红和,料的三原是后者。

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.

本文度学原理说明三原,详细论述活性料及分散料三原的合成和筛选原则。

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、绿和蓝三原的差都已矫正。