V2EX internal node

Internal Node

释义 Definition

(数据结构/树结构中)内部节点:在一棵树里,不是叶子节点、通常至少有一个子节点的节点。(在某些语境中也可泛指“非边界/非末端的节点”。)

发音 Pronunciation (IPA)

/ntnl nod/

例句 Examples

An internal node has at least one child.
内部节点至少有一个子节点。

In a binary search tree, the internal nodes guide the search, while the leaves represent endpoints of the decision process.
在二叉搜索树中,内部节点引导搜索过程,而叶子节点体现决策过程的终点。

词源 Etymology

internal 源自拉丁语 internus(“在里面的、内部的”),node 源自拉丁语 nodus(“结、节点”)。组合起来字面意思是“内部的节点”,在计算机科学里特指树形结构中非叶子的节点。

相关词 Related Words

文学与著作 Literary Works

  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein):在树与搜索结构的讨论中使用 internal node 等术语。
  • The Art of Computer Programming(Donald E. Knuth):在树、符号表与相关结构中出现该术语或等价表述。
  • Algorithms(Robert Sedgewick, Kevin Wayne):在讲解树结构与遍历/搜索时使用该术语。
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