Looking now at a sample of contemporary Iranian projects reveals that the country's architects are typically preoccupied with geometry, light, colour and context.
现在看一个当代伊朗项目的样本，该国的建筑师通常是专注于几何，光，颜色和背景。
2
Usually, object features include gray-scale (density, colour), feature, geometry shape, and so on.
常见的目标特征可分为灰度(密度、颜色)特征、纹理特征和几何形状特征等。
3
Additionally, the well-known four colour problem and elementary geometry theorem-proving problem have been discussed.