第一图形API，开发于1984年，并命名为图形核心系统（ gks ）。

The first graphics API was developed in 1984 and named the Graphical Kernel System ( GKS ).

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本文在分析传统图形标准的基础上，引用面向对象的概念和方法，研讨了面向对象图形核心系统的特征和开发准则。

Traditional graphics standard is analyzed in the paper. Characteristics and developing guidelines of object oriented graphics core systems are discussed using object oriented concepts and motheds.

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