BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 18 40.9%
2 Germany 7 15.9%
3 United States 4 9.1%
4 Japan 3 6.8%
5 Hong Kong 2 4.5%
6 Canada 2 4.5%
7 Singapore 2 4.5%
8 Taiwan 2 4.5%
9 Belgium 1 2.3%
10 Korea, Republic of 1 2.3%
11 New Zealand 1 2.3%
12 Russia 1 2.3%