The difficulties of colouring a map rest mainly on the vagueness in the colourperception.
地图设色之困难,在于色彩感受的不确定性。
2
The theory of colourperception and its value and use for conveying information about data is introduced.
这个理论的颜色知觉和它的价值并且适合把数据运送信息使用被介绍。
3
The team, working at the Perception Lab at the University of st Andrews in Scotland, first assessed the skin colour of people in relation to their diet.