关键词: 软件构件, 构件模型, 非功能特性

Abstract: How to describe the component model exactly and briefly is an important issue of component-based software development.A component model with non-functional features is proposed；the description of non-functional features is improved.Firstly，this paper defines the component model，then analyzes the excellence and characters of the model and points out its application in component matching.Finally，it gives the further research direction．

Key words: software component, component model, non-functional features