BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 32 31.4%
2 Germany 27 26.5%
3 Netherlands 14 13.7%
4 United States 13 12.7%
5 France 3 2.9%
6 Japan 3 2.9%
7 Canada 3 2.9%
8 Malaysia 2 2%
9 Hong Kong 2 2%
10 India 1 1%
11 Korea, Republic of 1 1%
12 Sweden 1 1%