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 35 35.4%
2 China 23 23.2%
3 Japan 10 10.1%
4 Korea, Republic of 9 9.1%
5 Germany 7 7.1%
6 Hong Kong 4 4%
7 France 4 4%
8 United Kingdom 2 2%
9 Turkey 2 2%
10 Ukraine 1 1%
11 Poland 1 1%
12 Russia 1 1%