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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Background Activity icons are just a little bit cuter，更多细节参见heLLoword翻译官方下载
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10121-6，更多细节参见搜狗输入法2026
每個虛構詞都對應到特定的物體。使用這類稱為「偽詞」（pseudowords）的方式，能讓研究者公平比較學習成果，因為學生無法依靠任何既有知識。