山还是那山，水还是那水。但观念和思路变了，一针一线绣出的，山就不只是那山，水就不只是那水了。
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Фото: Belkin Alexey / news.ru / Globallookpress.com
Study shows lower risk for multiple myeloma as well as pancreatic, prostate, breast and kidney cancers
Quadtree-based image compression formats and level-of-detail systems all work this way. Satellite imagery, terrain rendering, and geographic information systems use quadtree decomposition to serve data at varying resolutions: zoomed out, you see large coarse blocks; zoomed in, you see fine-grained tiles. The same principle extends to three dimensions (octrees) for volume rendering and 3D spatial indexing.