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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Largest ever image obtained by specialist telescope in Chile represents scientific and aesthetic breakthrough，详情可参考搜狗输入法下载
const stack = [];。heLLoword翻译官方下载对此有专业解读