长期的临床工作，让全国政协委员、苏州大学附属第一医院血液科专家吴德沛对医疗领域的老大难问题感受很深——“很多患者并不是没有药治疗，而是用不起创新药。”
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.
。关于这个话题，同城约会提供了深入分析
SpaceX rocket debris crashes into Poland
The parents of the donor, who wish to remain anonymous, said they felt "tremendous pride" at the legacy left by their daughter.