1·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。