At the same time , the paper introduces the uml ( unified modeling language ) , which is a language that can be used to gain visualization , detail , construction and document of software intensive system . uml is primarily used in analysis and design stages during system modeling 本文首先介紹了建模相關(guān)理論及技術(shù)基礎(chǔ),同時詳細(xì)描述了uml ? ?一種用于對軟件密集型系統(tǒng)進(jìn)行可視化、詳述、構(gòu)造和文檔化的建模語言? ?主要適用于分析與設(shè)計階段的系統(tǒng)建模。