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 | 年月日 | |
| 产生背景 | 地球自转和公转 | |
| 公转一周 | 365.2422平太阳日 | |
| 类型 | 计时单位 |
| 概念 | 单位 |