a system of marking things with different colours as a means of identification
色标;色码(用不同颜色做辨识标记的系统)。
mark (things) with different colours as a means of identification
给…做色标(或色码)
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each unit is colour-coded for clarity .各个部件都标了色码以便于区分。
mark different features of (something) with different colours
用不同的颜色标出特征
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the map is colour-coded .这张地图以不同色彩来标出各种特征。