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 43 41.7%
2 United States 30 29.1%
3 Netherlands 22 21.4%
4 Czech Republic 2 1.9%
5 France 2 1.9%
6 Germany 1 1%
7 Korea, Republic of 1 1%
8 Norway 1 1%
9 United Kingdom 1 1%