作为一个新兴研究领域,厘清概念内涵,明确概念边界,在推进元宇宙研究进程中具有不可或缺的基础作用。本文首先综述式地呈现了已有研究中精准提出的38个元宇宙概念,并分解出了138个关键词,进而基于要素组合的方式,分类、抽象与提炼出了15个子要素与3大核心要素,并在此基础上尝试性构建了一个元宇宙的概念框架。本文认为：技术性要素、文明性要素、连接性要素可以成为洞察元宇宙本质的三个可行的方面；其中,技术性要素是构建元宇宙的核心基石,元宇宙也是技术发展的必然产物；文明性要素是衡量元宇宙发展的重要标准,高度繁荣的数字文明是元宇宙演化的必要条件；而与现实世界的连接性要素则是元宇宙的真正价值所在,虚实共生、虚实相融将是元宇宙与现实世界的未来趋势。本文提出的元宇宙概念框架可以为后续相关研究提供有价值的分析依据。

As a new research field, it is essential to clarify the concept connotation and the concept boundary in promoting the research process of the metaverse. In this paper, 38 metaverse concepts accurately proposed in existing studies are summarized, and 138 Keywordsare decomposed. Based on the way of element combination, 15 sub-elements and 3 core elements are classified, abstracted, and refined, and on this basis, a conceptual framework of metaverse is constructed. This study perceives that technical elements, civilization elements and connectivity elements can be three feasible aspects for insight into the nature of the metaverse. The technical element is the important foundation for the construction of the metaverse, and the metaverse is also the inevitable product of the development of technology. The civilization element is an important standard to measure the development of the metaverse, and a highly prosperous digital civilization is a necessary condition for the evolution of the metaverse. The connectivity with the real world is the real value of the metaverse, and the symbiosis of virtual reality and integration of virtual reality will be the future trend of the metaverse and the real world. The conceptual framework of the metaverse proposed in this study can provide valuable analysis basis for the subsequent related research.

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