Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.
圖像加註文字，丹·麥肯齊說，他對「尋找最荒野地方」的熱愛把自己帶到了南極洲。Article InformationAuthor, 瑪麗盧·科斯塔（MaryLou Costa）。91视频对此有专业解读
，这一点在雷电模拟器官方版本下载中也有详细论述
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The south Kensington museum has also acquired the first video ever uploaded to the site, called Me at the Zoo, posted by YouTube's co-founder Jawed Karim in April 2005.
searo does not survive later stages of English, and Wiktionary lists cognates with only other dead languages. Though I believe Tolkien did borrow it for the character Saruman