Range queries ask "what's inside this box?" But sometimes the question is "what's nearest to this location?" This is the nearest neighbor problem, and you don't know how big your search radius should be. The nearest point might be right next to you or far away.
政府在現金回購之外，亦提出居民可「先出售業權、再購置居屋」或「樓換樓」選項，當中羅列各居屋及綠置居現有項目的預計入伙時間及平均售價，當中九龍灣的項目屬最早，預計今年9月可入伙。
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Parameter Counting
Наука и техника