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華盛頓特區阿聯酋大使館網站表示，該國「正與特朗普政府合作，在未來十年內對美國進行歷史性的1.4兆美元投資」。
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The bigger your RAM, the bigger your detector, so use a desktop's RAM if you can
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Quadtrees are everywhere spatial data exists. Mapping services use quadtree-like tile pyramids to serve map tiles at different zoom levels (Bing's quadkey system, for example, addresses tiles as base-4 paths). Game engines use them for collision detection and visibility culling. Geographic information systems use spatial indexes to store and query spatial datasets. PostGIS uses GiST indexes (R-tree-style) for spatial queries on geometries, while PostgreSQL's core supports quadtree-like SP-GiST indexes for certain data types like points.