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 140 75.3%
2 United States 23 12.4%
3 Germany 5 2.7%
4 Hong Kong 5 2.7%
5 Russia 2 1.1%
6 Taiwan 2 1.1%
7 Thailand 2 1.1%
8 Canada 1 0.5%
9 Sweden 1 0.5%
10 France 1 0.5%
11 Japan 1 0.5%
12 Malaysia 1 0.5%
13 Netherlands 1 0.5%
14 Portugal 1 0.5%