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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2009 年是家电下乡政策在全国范围内推广实施的第一年，这一年，彩电限价从 2000 元提高到了 3500 元，无数农村消费者就趁着这波国补，把家里的大屁股电视换代成了平板电视。。同城约会对此有专业解读
英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊
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It marks the latest in a series of changes to the way primary care services work. Last year the government ordered GPs to introduce online booking for non-urgent cases, which it said would solve the so-called "8am scramble" to get through on the phone.