- 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）。
(colour-code)with obj.(一般作be colour-coded)
1- mark (things) with different colours as a means of identification给…做色标（或色码）：
each unit is colour-coded for clarity.
各个部件都标了色码以便于区分。
1.1
- mark different features of (something) with different colours用不同的颜色标出特征：
the map is colour-coded.
这张地图以不同色彩来标出各种特征。