The algorithm also visits children in order of distance to the query point. This means it checks the most promising quadrants first, which tends to find a good candidate early and enables aggressive pruning of the remaining quadrants. Without this ordering, the algorithm would still produce the correct result, but it would prune fewer nodes.
智能涌现：具体讲讲中科第五纪的模型是如何提高泛化性的？
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; Eventually returns to the RETF caller here:
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