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The grid lines on the visualization represent a tree structure underneath. Every region is a node. When a node splits, it creates four children. The root node covers the entire space. Leaf nodes (nodes with no children) hold the actual points.
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"But acting sooner rather than later can help prevent these worrying trends becoming an entrenched crisis."，推荐阅读搜狗输入法2026获取更多信息
根据中华人民共和国第十四届全国人民代表大会常务委员会第二十一次会议于2026年2月26日的决定：