The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
Архивное фото. Фото: Steve Lynes / Wikimedia
。关于这个话题，夫子提供了深入分析
Author(s): Othmane Baggari, Halima Zaari, Outmane Oubram, Abdelilah Benyoussef, Abdallah El Kenz，推荐阅读搜狗输入法2026获取更多信息
Что думаешь? Оцени!，这一点在WPS官方版本下载中也有详细论述