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 China 100 64.9%
2 United States 30 19.5%
3 Germany 5 3.2%
4 Hong Kong 5 3.2%
5 United Kingdom 4 2.6%
6 Japan 2 1.3%
7 Taiwan 2 1.3%
8 Canada 1 0.6%
9 France 1 0.6%
10 Kuwait 1 0.6%
11 Netherlands 1 0.6%
12 Portugal 1 0.6%
13 Russia 1 0.6%