The grid lines on the visualization represent a tree structure underneath. Every region is a node. When a node splits, it creates four children. The root node covers the entire space. Leaf nodes (nodes with no children) hold the actual points.
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In one forum, Youth Against Corruption, members planned the protest outside parliament on 8 September.
Shares in the payment company soared more than 25 percent in after-hours trading on Thursday as it announced it would shed more than 4,000 jobs from its 10,000-strong workforce.，推荐阅读搜狗输入法下载获取更多信息