The model was originally developed based on the tristimulus theory of color perception.

该模型最初是根据颜色的感知三刺激理论。

The computation of tristimulus values is a basic step for obtaining various colorimetric quantities.

三刺激值计算是求取各种色度量的基础。

Since this CIE1931 RGB system results negative tristimulus values in calculation, the CIE1931 XYZ standard colorimetric observer was brought forth.

但是，CIE1931 RGB系统在计算颜色的三刺激值时会出现负值，由此产生了CIE1931 XYZ标准色度系统。

According to the experimentt, hree color printing ink measurement can demarcate the color gamut range and analyze the factor on its color range under different condition of tristimulus values.

通过实验方法，测量三原色油墨在不同印刷条件下的三刺激值，标定其色域范围，分析影响其显色范围的因素。