當局拒絕評論相關電郵，只確認他們於週二（2月24日）前往總理官邸處理一宗「涉嫌安全事件」，並表示「未發現可疑物品」。
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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.，推荐阅读heLLoword翻译官方下载获取更多信息
[어린이 책]‘내향인’ 호텔 직원이 VIP 손님 대하는 법。51吃瓜对此有专业解读