本文件建立了数字孪生（DTw）的术语，并描述了数字孪生领域的概念，包括数字孪生的术语和定义、数字孪生的概念（如数字孪生系统上下文、数字孪生生命周期过程、数字孪生类型）、数字孪生功能观和数字孪生利益相关者。本文件可用于制定其他标准，并支持不同利益相关方或利益相关方之间的沟通。本文件适用于所有类型的组织（如商业企业、政府机构、非营利组织）。

This document establishes terminology for digital twin (DTw) and describes concepts in the field of digital twin, including the terms and definitions of digital twin, concepts of digital twin (e.g. digital twin system context, life cycle process for digital twin, types of digital twin), functional view of digital twin, and digital twin stakeholders. This document can be used in the development of other standards and in support of communications among diverse, interested parties or stakeholders. This document is applicable to all types of organizations (e.g. commercial enterprises, government agencies, not-for-profit organizations).