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 United States 16 33.3%
2 China 8 16.7%
3 Germany 6 12.5%
4 France 5 10.4%
5 Ukraine 3 6.2%
6 Finland 3 6.2%
7 Australia 1 2.1%
8 Canada 1 2.1%
9 Hong Kong 1 2.1%
10 Korea, Republic of 1 2.1%
11 Togo 1 2.1%
12 United Kingdom 1 2.1%
13 Viet Nam 1 2.1%