色度图 meaning in Chinese

chromatic diagram
cie chromaticity diagram

The line in a chromaticity diagram representing the chromaticity of full ( or planckian ) radiators of different temperatures
色度图上代表不同温度黑体（普朗克辐射体）的色度曲线。
The locus of points in a chromaticity diagram that represents chromaticities of the radiation of planckian radiators at different temperatures
色度图中，表征不同温度下黑体辐射的色坐标的点的轨迹。