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.
中德經貿關係可能正從互補轉向結構性競爭，巴爾金之前的報告指出，中國企業在機械、發電設備領域已領先德國，在乘用車與化工領域即將超越德國，背後是德國每月流失約1萬製造業職位，裁員規模超過新冠疫情或全球金融危機，這不僅是短期經濟波動，而是中國從「夥伴」轉為「直接競爭者」的結構性轉變，德國製造業正面臨「中國衝擊2.0」。《經濟學人》形容，德國正從「愛上中國」轉向「恐慌模式」，默茨訪華正值此轉折點，柏林如何在經濟依賴與戰略自主間尋找新平衡是很急切的問題。
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Mental health chat encouraged at coffee mornings