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.
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第三百零五条 依照本章规定适用外国法律，不得损害中华人民共和国的公共利益。。业内人士推荐WPS下载最新地址作为进阶阅读
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Smarter monitoringSmart cameras are crucial for home security. Newer models are using computer vision — a subset of AI designed to observe, interpret, and understand visual data from the real world. This allows smart cameras to better differentiate between animate and inanimate objects and threats and non-threats. In fact, computer vision is so advanced, it can distinguish between perfect products and ones with defects. It can even identify neighbors and strangers.