Recent years, the technique of object oriented becomes main stream which provides basic technical support for software reuse.
近十几年来，面向对象技术出现并逐步成为主流技术，为软件复用提供了基本的技术支持。
The feature of ARX, supporting object-oriented technique, changed traditional modes of developing CAD software, and presented a broad application in the future.
ARX支持面向对象技术的特性改变了传统CAD软件的开发模式，显示了广阔的应用前景。
So object-oriented technique can improve the efficiency of software development. And UML is a standard language for software systems.
UML是一种对面向对象系统进行可视化、详细描述、构造和文档化的标准建模语言。
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