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 Netherlands 17 32.7%
2 China 11 21.2%
3 United States 8 15.4%
4 Germany 7 13.5%
5 Hong Kong 3 5.8%
6 United Kingdom 3 5.8%
7 Iran, Islamic Republic of 2 3.8%
8 France 1 1.9%