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 30 32.3%
2 United States 29 31.2%
3 Netherlands 16 17.2%
4 Germany 10 10.8%
5 Canada 5 5.4%
6 Czech Republic 1 1.1%
7 Singapore 1 1.1%
8 United Kingdom 1 1.1%