<https://china.greekreporter.com/2021/01/21/%e7%be%8e%e5%9b%bd%e6%94%bf%e5%ba%9c%e6%8d%a2%e5%b1%8a%e5%b8%8c%e8%85%8a%e6%94%bf%e8%a6%81%e9%bd%90%e7%a5%9d%e7%a6%8f/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://china.greekreporter.com/2021/01/21/%E7%BE%8E%E5%9B%BD%E6%94%BF%E5%BA%9C%E6%8D%A2%E5%B1%8A%E5%B8%8C%E8%85%8A%E6%94%BF%E8%A6%81%E9%BD%90%E7%A5%9D%E7%A6%8F/>