新浪科技援引多方消息称，自 3 月起，手机涨价将进入加速阶段，新品涨幅最低将超过 1000 元，中高端旗舰机型涨幅可能达到 2000-3000 元。
The US space agency also provided an update on the Artemis II mission, which will see four astronauts fly around the far side of the Moon and back to Earth.
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The quadtree is the two-dimensional case of a broader family of space-partitioning data structures. Octrees extend the same idea to three dimensions (splitting cubes into eight children), KD-trees use alternating axis-aligned splits (splitting along x, then y, then x again), and R-trees group nearby objects into bounding rectangles. Each variant makes different tradeoffs between construction time, query speed, and update cost.