一个指挥通信系统数据库的设计和实现_360电力网 关键词】 类，工具栏，可视化面向对象设计，屏幕设计 [gap=518]Key words】 class,toolbar,visual object-oriented design,screen design
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UML为设计师和开发者提供一个为面向对象系统和它们内部之间交互过程实现可视化的方法。
UML has given architects and developers a way of visually understanding object-orientated systems and their interactions.
本系统以VB的可视化的、面向对象的编程语言为开发工具，开发了链传动设计系统。
Based on the tool of VB which is visual and object-oriented program language, we develop the Chain-transmission design system which is with friendly interface of user.
用一种简单有趣的方式，叙述了利用面向对象的可视化编程工具进行软件设计的一般过程。
The paper states the normal procedure in a simple and interesting way, in which object-oriented visual programing tool is used to carry out program design.
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