BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 45 47.9%
2 United States 23 24.5%
3 Netherlands 12 12.8%
4 India 5 5.3%
5 Germany 3 3.2%
6 Czech Republic 2 2.1%
7 Canada 2 2.1%
8 Pakistan 1 1.1%
9 Hong Kong 1 1.1%