These are tools that the oo designer puts to use in order to structure the analysis, the design, and the implementation, but they aren't central to what makes an oo program object-oriented.
这些是OO设计人员用来构成分析、设计和实现的工具，但它们并不是使程序面向对象的主要部分。
Although there are many tools used in object-oriented analysis and design, UML has a broad application future in simulation field because of its powerful advantages.
虽然进行面向对象分析与设计的工具众多，但统一建模语言uml具有自身的强大优势，在仿真领域有着广阔的应用前景。
The thesis presents the choice of development tools, function demands, data analysis and system design, setting forth the difficulty and solving measures in the system exploitation.
论文介绍了系统开发工具的选择、功能需求、数据分析及系统设计，阐述了系统开发中遇到的难点以及解决措施。
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