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。
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。
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。
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。
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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