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根据标准化发展的历史，从地理信息数据描述的核心元数据入手，对元数据的内容及其研究范围进行了详细的探讨，并根据ＩＳＯ／ＴＣ２１１工作组对元数据的建议，提出了建立我国元数据标准的基本思路。
According to the history of standardized development, starting from the core metadata described by geographic information data, the contents of metadata and the scope of its research are discussed in detail. According to the ISO / TC211 working group’s proposal on metadata, The basic idea of data standards.