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 | 自然界 | |
| 广义概念 | 整个客观物质世界 | |
| 特性 | 系统性、复杂性和无穷多样性 | |
| 狭义概念 | 大自然 |