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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Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
Jones said he "didn't sleep for two nights" after the ceremony was broadcast.
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Xbox producer tells staff to use AI to ease job loss pain
（二）政府拨付和接受社会捐赠的资金、物资的管理使用情况；。safew官方下载对此有专业解读