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 40 46.5%
2 United States 21 24.4%
3 Germany 7 8.1%
4 Hong Kong 4 4.7%
5 Taiwan 4 4.7%
6 Ukraine 3 3.5%
7 United Kingdom 1 1.2%
8 France 1 1.2%
9 Korea, Republic of 1 1.2%
10 Malaysia 1 1.2%
11 Portugal 1 1.2%
12 Singapore 1 1.2%
13 Sweden 1 1.2%