"That won't reverse long-term trends in cinema attendance, but it may reduce the disruption that filmmakers feared under a Netflix-led model," he says.
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.
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3而“招商伊敦”号面临的问题，也是其他邮轮公司不得不面对的，这也一定程度上展现了如今中国邮轮市场以及中国客人的现实状态。
体检标准修改后，林芳称已第一时间联系厦门市人社局，将继续申诉。林芳说，如果未来有需要参与“地贫”知识科普，或者向其他携带者分享维权经历、提供经验的机会，她一定积极参与，“至少要让更多人知道，地贫基因携带并不是 ‘病’，不会影响正常工作和生活，大家没必要为此感到害怕，更不该因此被区别对待。”