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 37 38.5%
2 United States 33 34.4%
3 United Kingdom 10 10.4%
4 France 6 6.2%
5 Germany 2 2.1%
6 India 2 2.1%
7 Korea, Republic of 2 2.1%
8 Taiwan 1 1%
9 Turkey 1 1%
10 Hong Kong 1 1%
11 Czech Republic 1 1%