A branch bank would probably have one, in the back office, used for printing
Internal storage is limited
，这一点在51吃瓜中也有详细论述
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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.
第四十条 盗窃、损坏、擅自移动使用中的航空设施，或者强行进入航空器驾驶舱的，处十日以上十五日以下拘留。