The result shows that the Tree class structure replacing the age structure is suitable for studying the structure and dynamics of Castanopsis fargesii population.
结果表明，应用立木级结构代替年龄结构研究栲树种群的结构和动态特征是适用的。
Discovering the entire inheritance tree structure from an existing system is particularly useful, because it helps you uncover what the top-level class is and what subclasses are in the tree.
从一个已存在系统中发现整个的继承树结构是相当有用的，因为它能向您揭露在树中什么是顶级类以及什么是子类。
Discover the hierarchical tree structure classes by finding the class in the Model Explorer, double-click to open the class in the editor, and press F4 to open the hierarchy tree.
通过寻找模型搜索器中的类，找出等级树状结构类，双击打开编辑器中的类，按下f 4以打开等级树。
Figures 2 and 3 show the rest of the steps required to produce a tree structure of an abstraction class diagram.
图2显示了得到一个抽象类图的树状结构所需的剩余步骤。
Generate the tree structure of the abstract class diagram by selecting the Explore in Browse diagram from the context menu.
通过选择内容菜单中Explorein BrowseDiagram选项来产生抽象类图的树状结构。
Ontology can be viewed as a tree structure. Concepts comprise of class and subclass, the relationships between which are tree's edges.
一个本体可以抽象为一个树状结构，概念由类与子类构成，类与子类之间的关系是树中的边。
Ontology can be viewed as a tree structure. Concepts comprise of class and subclass, the relationships between which are tree's edges.
一个本体可以抽象为一个树状结构，概念由类与子类构成，类与子类之间的关系是树中的边。
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