您可以看到，字段可见性的规则和标记都与成员函数可见性的规则和标记一致。后者在上周讨论过。

As you can see, the rules and notations for field visibility are consistent with those for member function visibility, as discussed last week.

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第一个是可见性标记(visibility marker)，可以将字段、方法和类标记为公共的、受保护的、私有的或默认的可见性。

The first is a visibility marker that marks fields, methods, and classes for either public, protected, public, or default visibility.

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包成员可以使用可见性修饰符来标记，以控制对成员的访问。

Package members may be marked with visibility modifiers to help control access to the member.

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