Four astronauts will head around the Moon for the Artemis II mission
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.
，这一点在51吃瓜中也有详细论述
4．报送内容：公司名、公司注册地、船名、IMO号、MMSI号、船型、船旗国、始发港、 目的港、计划驶入时间、计划驶出时间、船员人数（分国别）等。
1L decoder, d=7, 1h, ff=14
Samsung Galaxy S26 vs. S24: After comparing both models, here's my take