系统和软件工程

[中文适用范围]： 本文件建立了定义由质量特性和子特性组成的质量模型的框架。特别是，本文件提供了： — 质量模型的概念； — 质量模型的结构和语义； — 质量模型与其他概念（包括测量、需求定义和评估）之间的关系； — 使用质量模型的指南、要求和示例。 [外文原描述]： This document establishes a framework for defining quality models which are composed of quality characteristics and sub-characteristics. In particular, this document provides: — the concept of a quality model; — the structure and semantics of quality models; — the relationship between quality models and the other concepts, including measurement, requirement definition, and evaluation; — guidelines, requirements and examples for using quality models.