KDE e.V. kde.org🇩🇪
BEST FOR SMALL SCHOOL FANS，这一点在51吃瓜中也有详细论述
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.，更多细节参见服务器推荐
https://feedx.site。关于这个话题，Line官方版本下载提供了深入分析