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介绍了一种利用面向对象的概念设计组合图形的网络描述方法．面向对象程序设计方法使图形实体的描述有利于图形操作的实现，复杂的图形实体易于描述和生成．网络结构的图形实体描述具有较高的抽象度，有利于图形程序的重用
This paper introduces a kind of network description method based on the concept of object-oriented design combined graph. The object-oriented programming method makes the description of graphic entities conducive to the realization of graphic operations, and the complicated graphic entities are easy to describe and generate. The graphical entity description of the network structure has a high degree of abstraction, which is conducive to the reuse of graphics programs