Bo Xu, Yong Xu, Jiaqing Liang, Chenhao Xie, Bin Liang, Wanyun Cui, and Yanghua Xiao. CN-DBpedia: A Never-Ending Chinese Knowledge Extraction System. In International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, pp. 428-438. Springer, Cham, 2017.
| 中文名 | 方孔圆钱 | |
| 历史 | 两千年之久 | |
| 外文名称 | Circular Coin with a Square Hole | |
| 直径 | 约为 3.4厘米 |
| 概念 | 文物古迹 |
| 标签 | 文物考古 |