title = self._extract_text(soup.select_one("h1")) or \
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.
（三）遗弃没有独立生活能力的被扶养人的。。关于这个话题，搜狗输入法2026提供了深入分析
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