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单词 derivation tree
释义
derivation tree

Computer
  • A way of indicating how a context-free grammar derives a particular word. The leaf nodes of the tree are terminals, the other nodes are nonterminals. For example, the tree shown in the diagram shows a derivation of aabbcbb from the grammar that is shown. Many different derivation sequences can correspond to the same derivation tree.

    derivation tree

    Derivation tree.


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