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 29 38.7%
2 Germany 19 25.3%
3 China 10 13.3%
4 France 5 6.7%
5 United Kingdom 5 6.7%
6 Canada 1 1.3%
7 Czech Republic 1 1.3%
8 Hong Kong 1 1.3%
9 Moldova, Republic of 1 1.3%
10 Romania 1 1.3%
11 Russia 1 1.3%
12 Ukraine 1 1.3%