title = extract_text(soup.select_one("title"))
The tree starts as a single region covering the whole space. As points arrive, they get dropped into the region that contains them. When a region exceeds its capacity (the maximum number of points it can hold before splitting), the region divides into four children, and the existing points get redistributed.，推荐阅读safew官方版本下载获取更多信息
。关于这个话题，Safew下载提供了深入分析
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第十九条 选举居民委员会，采取全体有选举权的居民选举方式的，有选民的过半数参加投票，选举有效；采取每户派代表选举方式的，有户的代表的过半数参加投票，选举有效；采取居民代表选举方式的，有超过三分之二的居民代表参加投票，选举有效。