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 54 52.9%
2 United States 19 18.6%
3 Netherlands 15 14.7%
4 Germany 2 2%
5 Korea, Republic of 2 2%
6 Taiwan 2 2%
7 Turkmenistan 1 1%
8 United Kingdom 1 1%
9 Japan 1 1%
10 Romania 1 1%
11 Albania 1 1%
12 Belarus 1 1%
13 Brazil 1 1%
14 Canada 1 1%