Adult Atlantic salmon swim thousands of miles to return to the chalk streams where they were born
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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.。业内人士推荐同城约会作为进阶阅读
三、大力组织开展面向公众的社会科普活动