Pull-through transforms
Nov 21, 2025: We submitted the report to Google's VDP.
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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.
「像鬼一樣工作」：台灣外籍移工為何陷入「強迫勞動」處境
，详情可参考Line官方版本下载
第四十七条 县、自治县、乡、民族乡、镇以及开发区、独立工矿区、林区、垦区等设立居民委员会的，适用本法有关规定。
# Show current rules，这一点在爱思助手下载最新版本中也有详细论述