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.
全新轩逸延承了家族「移动大沙发」的特点，配备了 Multi-Layer 人体工学座椅，借鉴航天零重力理念，采用 3D 支撑设计与复合缓冲材质，包裹柔软且支撑到位，久坐不累。主驾座椅升级了十向电动调节，坐垫加长了近 6 厘米，为大腿提供更充足的承托。，这一点在旺商聊官方下载中也有详细论述
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