See Additive primary colours, Subtractive primary colours.

参阅加色法原色，减色法原色。

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Red, green and blue lights are called additive primary colours because by the combination of these three primaries in different proportion , various coloured lights will produce.

红、绿和蓝三种色光称为加色法原色，因为不同份量的三原色，可以混合成各种不同色光。

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Conventional printer characterisation models are generally based on the assumption that the densities of primary colours are additive. However, additivity failure frequently occurs in practice.

传统的彩色打印系统特征化模型通常基于打印基色的色密度具有加和性的假设，然而实际中叠加特性缺失的现象经常出现。

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