sub-tree 子决策树
Depth of a Sub-Tree 返回子树的深度
best content sub tree 最佳正文子树
Left Sub Tree 左子树
right sub tree 右子树
Entity Sub Tree 实体子树
We study the relationship of the subtree and the generating function of the tree. We give the trees with the second smallest and the second largest subtrees by the study of transforing a pendant edge.
针对上述问题,本文主要在下面几个方面开展研究工作:(1)首先研究了树的子树个数与生成函数的关系,并通过研究悬挂边的移动对树的子树个数的影响,给出了子数个数次大和次小的树的结构。
参考来源 - 树的Wiener指数与子树计数的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Both of these resources are available within the resources sub tree in the Application Server administration console.
这两个资源都存在于Application Server管理控制台的资源子树中。
According to the complexity of pattern, the mined characteristic patterns could be sorted as frequent item, frequent sequence and frequent sub tree, etc.
根据特征模式复杂性，可分为频繁项模式、频繁序列模式以及频繁子树模式等。
The paper builds tree-model of RNA molecules and utilizes frequent sub tree mining algorithm to mine common topological patterns among RNA secondary structures.
本文对RNA分子建立树形模型，利用频繁子树挖掘算法挖掘RNA二级结构中的公共拓扑模式。
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