The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
这段完整视频拍摄时长接近11分钟，提供了一个罕见的、不受限制的视角，清楚展现了袭击者的射击位置，以及袭击结束前现场的情况。其中，袭击过程有5分52秒。
。搜狗输入法2026对此有专业解读
On Elephants in the Room: Trusted Execution Environments
chunks.push(chunk);