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Merge pull request #206 from Wonderdch/patch-3

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错别字：从顶置底 -> 从顶至底
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Yudong Jin 2023-01-05 01:08:11 +08:00 committed by GitHub
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docs/chapter_tree/binary_tree.md
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@ -120,7 +120,7 @@ comments: true
- 「根结点 Root Node」：二叉树最顶层的结点，其没有父结点；
- 「叶结点 Leaf Node」：没有子结点的结点，其两个指针都指向 $\text{null}$ ；
- 结点所处「层 Level」：从顶置底依次增加，根结点所处层为 1 ；
- 结点所处「层 Level」：从顶至底依次增加，根结点所处层为 1 ；
- 结点「度 Degree」：结点的子结点数量。二叉树中，度的范围是 0, 1, 2 ；
- 「边 Edge」：连接两个结点的边，即结点指针；
- 二叉树「高度」：二叉树中根结点到最远叶结点走过边的数量；