Варвара Кошечкина (редактор отдела оперативной информации)
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叶师傅用的“码”，就是我们正在试行的“建筑港智能调度系统”。在这里，我们为每位工友开设了一个“数字身份证”。这不仅是档案，更是“信用账户”。每一次准时出勤、每一项优质完工，都会及时量化为明确的价值，储存进“信用储蓄”。
Питтсбург Пингвинз
A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.