https://www.renwenyishu.com/ zh-hans https://www.renwenyishu.com/wenzhang-t271-d473-x500-k443-n2980.html <span property="schema:name" class="field field--name-title field--type-string field--label-hidden">郑州登封市观星台介绍（我国现存时代最早、保护较好的天文台）</span> <span rel="schema:author" class="field field--name-uid field--type-entity-reference field--label-hidden"><span lang="" about="/user/5" typeof="schema:Person" property="schema:name" datatype="">renwen</span></span> <span property="schema:dateCreated" content="2022-11-06T11:00:17+00:00" class="field field--name-created field--type-created field--label-hidden">周日, 2022/11/06 - 19:00</span> Sun, 06 Nov 2022 11:00:17 +0000 renwen 2980 at https://www.renwenyishu.com