There's a tradeoff: a lower capacity means you can skip more space during queries (you zoom in faster), but the tree has more nodes and uses more memory. A higher capacity means fewer nodes but each node requires checking more points linearly. As a starting point, capacities between 4 and 16 are reasonable defaults, though the best value depends on your data distribution and query patterns.
Раскрыты подробности о договорных матчах в российском футболе18:01。关于这个话题，夫子提供了深入分析
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xangma (@xangma)。同城约会是该领域的重要参考