<http://m.thinmoo.com/zh/index.php/2019/11/05/%e4%ba%91%e9%97%a8%e7%a6%81%e6%8e%a7%e5%88%b6%e7%b3%bb%e7%bb%9f/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://m.thinmoo.com/zh/index.php/2019/11/05/%E4%BA%91%E9%97%A8%E7%A6%81%E6%8E%A7%E5%88%B6%E7%B3%BB%E7%BB%9F/>