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 | 闭合 | |
| 公式 | ∑u =0 | |
| 年代 | 宋 | |
| 释义 | 首尾相连的 |
| 标签 | 文化 |