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。

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.

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随着计算机技术的飞速发展，精馏过程的模型化与仿真已成为化工工艺设计和操作分析的主要工具。

With the development of computer technology, the modeling and simulation of rectifying process already become the mainly tools on chemical technological design and operation.

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电力系统动态数字实时仿真已成为规划电力系统，设计与检验电力系统控制、保护以及调度设备的主要工具。

The dynamic and digital real-time simulation of power system is believed as an indispensable tool for power system planning, protective and control devices designing and testing.

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