对象模型是对类的一种安排，它通过各种属性和方法公开类的功能。

Object models are an arrangement of classes that expose functionality through various properties and methods.

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当您在类范围中使用BOOST_STATIC_ASSERT时，它是私有的、受保护的还是公开的并不重要。

When you use a BOOST_STATIC_ASSERT in class scope, it doesn't matter whether it's declared private, protected, or public.

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例如，可以将一个类公开为Web服务。

For example, exposing a class as a Web service.

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