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 39 39.4%
2 United States 37 37.4%
3 France 10 10.1%
4 Germany 6 6.1%
5 Norway 2 2%
6 Russia 1 1%
7 South Africa 1 1%
8 Czech Republic 1 1%
9 Hong Kong 1 1%
10 Netherlands 1 1%