This paper explores why and how the concept of"cross-generational twin city"embodies the life characteristics of the city.It provides an overview of the con-textual origins of the term,traces its developmental trajectory,establishes a classifica-tion system and a relationship matrix of the elements within a"cross-generational twin city",and prospects for future research directions and potential contributions of the concept.The paper argues that urban life has three forms:material,social,and digital.The city's digital life,reflecting its material and social aspects,dynamically represents the ongoing transformations in the material and the social worlds.The concept of"digital twin",emerging from the industrial production process,is applied to urban planning and construction management.The"digital twin"must reflect char-acteristics of urban iterative evolution and emphasizes the crucial factor of"time"in urban planning and construction management.The crux of"cross-generational twin city"lies in its ability to project future urban development and serve as a guide for future-oriented decision-making at the present.The concept deepens our understand-ing of historical development and provides a foundation for current and future devel-opment.Its scientific significance lies in its role in unveiling the laws of urban de-velopment.It helps shed light on the interconnections among the past,present,and future,and reveals the interplay of various factors that shape urban processes.The concept facilitates a more comprehensive understanding of cities and empowers urban development.
关键词
跨代孪生/数字孪生/城市发展规律/城市推演/要素体系
Key words
Cross-Generational Twin City/digital twin/urban development laws/ur-ban evolution,element system
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