BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 85 51.2%
2 France 19 11.4%
3 United States 17 10.2%
4 Netherlands 15 9%
5 Russia 9 5.4%
6 Germany 9 5.4%
7 Canada 8 4.8%
8 Czech Republic 2 1.2%
9 Indonesia 1 0.6%
10 Ukraine 1 0.6%