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.

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本文在对国内外三种较流行的代表性FORTH语言系统进行分析与评价的基础上，提出了一种面向实时控制的新的中断管理方案。

A new interrupt handling scheme oriented to real time control is presented based, on the analysis and evaluation of three existing FORTH language systems in use.

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同样，面向对象编程语言让你定义控制件，从对象来激发特定的行为。

Similarly, OO programming languages let you define controls to trigger specific behaviors from an object.

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