<https://www.gfg-peabody.com/zh-hans/gfg%e8%be%8a%e6%b6%82%e6%9c%ba%e5%92%8c%e8%a6%86%e8%86%9c%e6%9c%ba/%e5%9e%82%e7%9b%b4%e5%bc%8f%e6%b6%82%e8%9c%a1%e6%9c%ba/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
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