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週一空中技巧決賽期間，見她與前國際奧委會主席托馬斯·巴赫（Thomas Bach）並肩觀賽。
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"In my opinion, we should be giving the people we ask to serve every possible advantage. We owe it to them to figure this out," Probasco said.
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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.