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 20 27%
2 China 18 24.3%
3 Germany 14 18.9%
4 Hong Kong 6 8.1%
5 France 6 8.1%
6 Czech Republic 2 2.7%
7 Netherlands 2 2.7%
8 United Kingdom 2 2.7%
9 New Zealand 1 1.4%
10 Russia 1 1.4%
11 India 1 1.4%
12 Canada 1 1.4%