jsp和jsd，经常在大学软件设计课程中教授，有相当丰富的记号，并伴随着构造一个系统模型的语义学。

JSP and JSD, often taught in university software design courses, had a fairly rich notation and accompanying semantics for constructing a system model.

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统一建模语言 (UML) 是行业标准语言，用于指定、可视化、构造和记录软件系统的构件。

The Unified Modeling Language (UML) is the industry-standard language for specifying, visualizing, constructing, and documenting the artifacts of software systems.

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再造工程项目的目标是重新构造遗留软件系统，以便提高一些质量属性。

The goal of a reengineering project is to restructure a legacy software system so that some of its quality attributes are improved.

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