Houses on the street have sandbags outside permanently because of the continued risk of flooding
At its core, a stream is just a sequence of data that arrives over time. You don't have all of it at once. You process it incrementally as it becomes available.
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2026-02-27 00:00:00:0 全国安全生产和森林草原防灭火视频会议强调，这一点在WPS官方版本下载中也有详细论述
The dashed circle shows the current best distance. As the algorithm finds closer points, the circle shrinks, which causes more subtrees to fail the "could contain a closer point?" test and get pruned. The search usually gets cheaper as it progresses.