本文件是ISO/IEC/IEEE 12207:2017应用指南。本文档建立了软件生命周期过程通用框架的实施指南，其中包含定义良好的术语，可供软件行业参考。本文档提供了定义、控制和改进组织或项目内软件生命周期过程的指南。本文件推荐了适用于各种生命周期模型的方法和途径。该指南强调了制定战略、规划和利益相关者参与的重要性，最终目标是实现客户满意度。

This document is a guideline for the application of ISO/IEC/IEEE 12207:2017. This document establishes guidance to implement a common framework for software life cycle processes, with well-defined terminology, that can be referenced by the software industry. This document provides guidance on defining, controlling, and improving software life cycle processes within an organization or a project. This document recommends methods and approaches suitable for a variety of life cycle models. The guidance emphasizes the importance of establishing a strategy, planning, and the involvement of stakeholders, with the ultimate goal of achieving customer satisfaction.