BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 88 52.1%
2 United States 53 31.4%
3 Germany 10 5.9%
4 Canada 4 2.4%
5 Netherlands 4 2.4%
6 Russia 2 1.2%
7 United Kingdom 2 1.2%
8 Hong Kong 2 1.2%
9 Japan 2 1.2%
10 Denmark 2 1.2%