本文件是ISO/IEC 26550中描述的软件和系统产品线工程和管理的更通用参考模型的专门化。本文定义的专业化涉及一类方法和工具，称为基于功能的软件和系统产品线工程，或基于功能的PLE，它已成为商业工具提供商支持的经验证且可重复的产品线工程和管理（PLE）实践。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document is a specialization of the more general reference model for software and systems product line engineering and management described in ISO/IEC 26550. The specialization defined herein addresses a class of methods and tools referred to as feature-based software and systemsproduct line engineering, or feature-based PLE, which has emerged as a proven and repeatable product line engineering and management (PLE) practice supported by commercial tool providers.All current amendments available at time of purchase are included with the purchase of this document.