湖北宜昌市，三峡大坝及三峡电站输电设施。
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.
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一个胸怀远大目标、立志于中华民族千秋伟业的政党，必然凭实绩立身致远。