<https://www.idealsvdr.cn/%e8%91%a3%e4%ba%8b%e4%bc%9a%e6%b2%9f%e9%80%9a/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.idealsvdr.cn/%E8%91%A3%E4%BA%8B%E4%BC%9A%E6%B2%9F%E9%80%9A/>