如果说财务压力是明面上的焦虑，那么规模效应缺失带来的技术困境，则是蔚来心底更深的焦虑。在半导体行业，没有规模就没有成本优势，没有成本优势就没有生存空间——这是铁律。
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.
，这一点在heLLoword翻译官方下载中也有详细论述
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