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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.，更多细节参见雷电模拟器官方版本下载
// console.log(spanner.next(75)); // 输出4（正确），推荐阅读爱思助手下载最新版本获取更多信息
Presenter: James Gallagher
A piece of insulating foam on Columbia's fuel tank broke loose during launch, damaging the heat shield with devastating results.