单词 | leaf node |
释义 | > as lemmasleaf node leaf node n. (a) Botany a point on a stem from which a leaf arises (cf. node n. 7); (b) Mathematics and Computing a node or vertex of a tree which has only one connection to another node; a terminal node. ΘΚΠ the world > relative properties > number > graph or diagram > [noun] > diagram > tree diagram > node of leaf node1852 1852 J. H. Balfour Class Bk. Bot. I. iii. 167 Each of these secondary axes, in their turn bear opposite bracts, or leaflets capable in the same way of forming tertiary axes, with solitary flowers, and so on until the plant is exhausted, or the axes produced have no leaf-nodes. 1924 Bot. Gaz. 78 296 The leaf nodes are usually 2–5 cm. apart. 1963 Communications ACM 6 277/2 A variable length value field is required for these leaf nodes. 1980 Information Processing Lett. 11 126/1 Now p must lie in the interior of a six-dimensional convex region defined by some leaf node of the linear decision tree. 1992 Canad. Gardening June 20/2 ‘Waking up’ the plant this way is easy: cut back to a leaf node. 2010 Systematic Biol. 59 377/2 A term that is an intermediate node in a single-species ontology may be represented as a leaf node in a multispecies ontology. < as lemmas |
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