Metadata specify the scope for the user actions and visibility.

元数据指定用户动作的范围和可见性。

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Scope controls the visibility and lifecycle aspects of the implementation.

范围控制实现的可见性和生命周期。

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As mentioned previously, roles decide the scope of actions and data visibility for a user.

如前所述，角色决定用户的动作范围和数据可见性。

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Most object-oriented languages have constructs to constrain the visibility (or scope) of type and type-member declarations.

大多数面向对象语言都有控制类型或者类型成员可见性（作用域）声明的结构。

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Most object-oriented languages have constructs to constrain the visibility (or scope) of type and type-member declarations.

大多数面向对象语言都有控制类型或者类型成员可见性（作用域）声明的结构。

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