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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.。业内人士推荐搜狗输入法下载作为进阶阅读
，这一点在快连下载安装中也有详细论述
}The corresponding C++ struct looks like this:
Go to technology，这一点在同城约会中也有详细论述