IEC SRD 63273-1:20 23系列旨在通过收集和分析其用例来确定城市信息建模标准的要求。具体来说，IEC SRD 63273系列实现了以下目标:确定关键应用领域和利益相关者，开发用户故事并阐明这些利益相关者之间的关系，收集和分析城市信息建模的用例，确定城市信息建模标准的要求，并向IEC提供有关城市规划和管理的建议。 IEC SRD 63273第1部分解释了城市信息建模用例收集和分析工作如何实现可持续发展目标，提供了城市信息建模的简要概述，并确定了城市信息建模的关键应用领域和利益相关者，确定了城市信息建模的关键应用领域，并确定了利益相关者及其之间的关系e应用领域。

IEC SRD 63273-1:2023 series aims to scope out the requirements of city information modelling standards by collecting and analysing its use cases. Specifically, the IEC SRD 63273 series achieves the objectives of identifying the key application areas and stakeholders, developing user stories and clarifying the relationship among these stakeholders, collecting and analysing use cases of city information modelling, scoping out the requirements for city information modelling standards and providing recommendations to IEC regarding urban planning and management.
The IEC SRD 63273 part 1 explains how the work of city information modelling use case collection and analysis address sustainable development goals, provides a brief overview of city information modelling, and identifies the key application areas and stakeholders of city information modelling, identifies the key application areas of city information modelling, and determines the stakeholders and the relationships among them in these application areas.