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 89 53%
2 United States 21 12.5%
3 France 17 10.1%
4 Germany 17 10.1%
5 Netherlands 10 6%
6 Russia 10 6%
7 Czech Republic 2 1.2%
8 Australia 1 0.6%
9 Canada 1 0.6%