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 | 剑桥通用英语五级系列英语证书考试的第二级 | |
| 划分等级 | 3级 | |
| 外文名称 | Preliminary English Test | |
| 效用 | 终生有效的英语能力证明 |
| 概念 | 证书 |
| 标签 | 教育 |