slice never really gets large. This startup phase may be all you ever
Add a cluster of points in one corner and watch that corner subdivide deeply while the rest of the space stays untouched. Then scatter a few points across the empty region and watch it split only where needed. The tree grows around the data.
。关于这个话题，heLLoword翻译官方下载提供了深入分析
情绪接纳先于行为纠正：当孩子哭闹时，先抱抱，再说「我理解」，而不是急着讲道理。
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