This is the same idea behind binary search. In a sorted array, you compare against the middle element and eliminate half the remaining candidates. In a quadtree, you choose one of four quadrants and ignore the other three regions. Each level narrows the search space by a factor of four instead of two.
78.1 x 163.6 x 7.9 mm。同城约会对此有专业解读
FT Edit: Access on iOS and web。关于这个话题，WPS下载最新地址提供了深入分析
但內容主張：「為遏制委內瑞拉共產主義，下一任政府必須採取重要步驟，警告其共產黨濫權者，並協助委內瑞拉人民。」