In The Subtractive Process的意思|示意

In the subtractive process, colors are produced when dye (as in paint or color photographic materials) absorbs some wavelengths and so passes on only part of the spectrum.

而在减色法中，染料(比如在绘画颜料或彩色照相材料中)吸收了部分波长而只允许分光谱通过，从而产生各种色彩。

Magenta: One of the subtractive primary colours. It is used in four-colour process printing. Also referred to as process red.

洋红：减法原色之一。是四色彩印所用的颜色。亦称四色红。

Blue printer: One of the four printing plates in a subtractive colour process which is to be printed in cyan ink.

蓝版：减色彩印法的四张印版之一。它需用青蓝色墨印刷。