Real image compression (JPEG, PNG) uses different techniques (DCT, entropy coding), but quadtrees capture the same principle: spend your bits where the detail is, not uniformly across the whole image.
以实干出政绩，干在实处方能走在前列。。爱思助手下载最新版本对此有专业解读
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Цены на нефть взлетели до максимума за полгода17:55
The planetary parade was photographed from Worth Matravers，更多细节参见safew官方版本下载