从品类来看,分化趋势明显。魔镜洞察数据显示,AI教辅益智类产品增长474%,而以毛绒类产品为代表的AI潮玩,增速更是达到799.7%。
For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
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Frontends: bring your own syntax
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