Randomly selecting border points or using simple geometric divisions (squares/hexagons) results in too many border points per cluster (50-80). This leads to a shortcut explosion (N*(N-1)/2 shortcuts), making the files large and and calculations slow.
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部分企业倒卖资质，地理标志乱贴。关于这个话题，同城约会提供了深入分析
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