_:nac2608cb01e0449c9136af3f17d8209cxb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.restekconsult.com/forum/questions-answers/feng-wo-shi-ji-shang-deng-tong-gou-mai-dian-zi-you-jian-di-zhi>