When another data point is inserted and the Voronoi diagram reconstructed, the newly created region displaces the area that once belonged to the old regions. Those points whose regions were displaced are considered natural neighbours to the new point. The weight of each natural neighbour is given by the area taken from the total area occupied by the new region. In 3D, we measure polyhedral volumes instead of areas.
* 1. 转换视角：将"追车"问题转为"到达时间"比较（后车时间≤前车 → 合并）；
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3月24日，北京市少年宫，学生科技节创客集市上，多所学校展示学生研发的主题文创产品。新京报记者 李木易 摄，这一点在谷歌浏览器【最新下载地址】中也有详细论述
That is, in itself, not unusual for a child of the 1980s. However, whereas most regular match-goers might take for granted the seemingly small things – travel arrangements, the journey to the stadium, grabbing food and drink, meeting friends and family, entering and exiting the ground – for disabled supporters such as Clements, careful thought and planning go into all arrangements.
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