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.
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（四）对证人及其近亲属进行威胁、侮辱、殴打或者打击报复的；，更多细节参见谷歌浏览器【最新下载地址】
* @param i 当前节点索引