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.
可以说：8月4日那天，骗子不是在盗钱，而是在“拿钥匙”；8月11日和13日才是真正“开门取钱”的阶段。
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（三）扬言实施放火、爆炸、投放危险物质等危害公共安全犯罪行为扰乱公共秩序的。
FT Edit: Access on iOS and web
云耀深维微米级金属3D打印设备（图源/企业）