Let's consider one instance of the genealogical tree model as shown in Figure 3.

让我们考虑一下如图3所示的系谱树形模型的一个实例。

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We can say, for instance, that a certain molecular configuration manifests itself as a tree.

比如，我们可以说，某种特定的分子结构表现出来就是一棵树。

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The therapist can point out, for instance, how straight a tree grows.

例如，该治疗师可以指出这棵树长得多笔直啊。

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In this example, I create a global instance of this tree.

在这个例子中，我创建了这棵树的全局实例。

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For instance, many tree-planting, and that of our environment is very good.

比如，多植树，那对我们的环境很有好处。

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A tree is actually an instance of a more general category called a graph.

其实树是范畴更广的图的特例。

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A tree is actually an instance of a more general category called a graph.

其实树是范畴更广的图的特例。

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