现在，请注意，每个映射策略怎样产生不同的模型。

Notice, now, how each mapping strategy results in a different model.

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在我们第一个策略中，我们要看看如何映射我们的Person层次结构。

In our first strategy, we'll look at how to map our Person hierarchy.

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此映射称作安全策略。

This mapping is called a security policy.

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此映射称作安全策略。

This mapping is called a security policy.

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