engineering elements造句

a well-designed architecture is the foundation for an extensible and changeable system . in this paper, the history of the object-oriented technique is introduced first and then followed about the discussion about uml modeling, object-oriented software developing process and the " 4 + 1 " view model of software architecture in the theoretical perspective of software engineering element
本文首先对面向对象技术的发展历史，主要是分析设计的方法进行了简要地介绍后,从理论层次和软件工程要素方面对开发软件系统的若干面向对象技术：uml建模、软件体系架构（4+1视图模型）和面向对象软件开发过程等内容进行探讨，阐述了三者之间的紧密关系。
It's difficult to find engineering elements in a sentence. 用engineering elements造句挺难的