Global news & analysis
Async iteration
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
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.
2008年，一个关键转折点出现：管理着两家医院的Sun Health，被亚利桑那州最大的非营利医疗系统Banner Health收购。这意味着，Sun City的医疗服务，从“社区主导”正式转向“专业化管理”。