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Games and physics simulations need to detect which objects are touching or overlapping. With nnn objects, checking every pair is O(n2)O(n^2)O(n2) comparisons, which gets expensive fast. A hundred objects means roughly 5,000 pair checks. A thousand means nearly 500,000.。旺商聊官方下载对此有专业解读
，这一点在体育直播中也有详细论述
Meanwhile, the back-end systems powering the venue, for cashless sales of merchandise and food, ticketing, or crowd control and safety, are also inter-connected.
Here's a quick overview of its full spec sheet:。体育直播是该领域的重要参考