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Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.，这一点在safew官方版本下载中也有详细论述
Distort reality。关于这个话题，雷电模拟器官方版本下载提供了深入分析
"You can't go into these things blind... you've got to see the pros and cons," he said.