[视频作者] 地理学园
[视频时长] 1:8
[视频类型] 科学科普
https://www.baidu.com/sf?pd=video_page&nid=6544540359211682956&sign=17713286867264545855&word=%E6%97%A5%E6%99%B7&oword=%E6%97%A5%E6%99%B7&title=%E4%B8%80%E5%88%86%E9%92%9F%E4%BA%86%E8%A7%A3%E6%97%A5%E 一分钟了解古代计时工具”日晷“
![[图]一分钟了解古代计时工具”日晷“](https://i1.hdslb.com/bfs/archive/8ae0d8a43c809ff25c55d69fc1994088408b52a9.jpg)