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 68 59.6%
2 United States 18 15.8%
3 Germany 13 11.4%
4 France 5 4.4%
5 Ireland 4 3.5%
6 Czech Republic 2 1.8%
7 Hong Kong 1 0.9%
8 India 1 0.9%
9 Netherlands 1 0.9%
10 Taiwan 1 0.9%