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 | 洁净度 | |
| 依据 | 美国联邦标准 | |
| 定义 | 空气中空气含尘量多少 | |
| 标准 | 国家标准GB 50073-2001 |