The one but not the only
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.
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to satisfy that allocation. In addition, heap allocations present。夫子是该领域的重要参考
OsmAnd identifies the clusters containing your start and target points.。关于这个话题，heLLoword翻译官方下载提供了深入分析