A 3-d radar image, using false colour, of the undersea river channel where it enters the Black sea from the Bosphorus Strait. Photo: University of Leeds.

3d雷达图片，虚拟的颜色，显示了海底河从博斯普鲁斯海峡流进黑海。

In this photo, due to all the similar purple tones we've been able to quite easily pick out a monochromatic colour scheme.

在这张照片中，由于这些相近的紫色调，我们能够很容易选出一套单色系配色方案。