观察大国经济，不仅要看量，更要看质。
The capacity of each node (how many points it can hold before splitting) controls the shape of the tree. A low capacity means nodes split early, producing a deep tree with many small cells. A high capacity means nodes tolerate more points before splitting, producing a shallow tree with larger cells.
，推荐阅读同城约会获取更多信息
遥遥领先不假，但不够完美也是真的。
Title:Package Managers à la Carte: A Formal Model of Dependency Resolution