Even though the stripes are not the same color all the way around the spiral, the overlapping spirals makes our brain think they are.
即使条纹不是由同一种颜色构成的，但重复的条纹会使大脑认为它们是同一颜色。
2
Annie: the flag is rectangle. It is white without edges, isn't it? It has five-overlapping rings in the middle. The color of the rings is... Look!
安妮：会旗的样子是不是这样的，长方形，白色无边，中央有五个相互套连的圆环，环的颜色是——看！
3
Some new geo-physical informations can be acquired by such as the digital analog conversion, color code, edge sharpening, perspective display and multivariableimage overlapping.