colour coding

基本解释

Improved colour coding for easier recognition and allocation of the components – even in the darkened operating theatre.
改善了颜色标记，便于组件的辨识和装配，即使是在黑暗的手术室里也能做到。
blog.sina.com.cn
The labels will remain the same colour as they are now, with the same colour coding and the Coloplast logo will be more visible.
标签将保持现有颜色不变，使用现有的彩色编码，康乐保标识将更加明显。
www.coloplast.com.cn
There is at least one English metaphor that suits the colour-coding of China's markets: they are looking a little green around the gills.
无论如何，英语中有一个比喻很适合中国目前的市场状态：他们脸色看起来有点绿。