The previous page is sending you to https://www.tinghua.org/%E6%9D%B0%E5%85%8B%E9%80%8A%C2%B7%E6%B3%A2%E6%B4%9B%E5%85%8B-%E8%89%BA%E6%9C%AF%E5%AE%B6-1649/.

 If you do not want to visit that page, you can return to the previous page.