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 61 53.5%
2 United States 14 12.3%
3 Netherlands 12 10.5%
4 Germany 10 8.8%
5 Korea, Republic of 6 5.3%
6 France 6 5.3%
7 Azerbaijan 2 1.8%
8 Brazil 2 1.8%
9 United Kingdom 1 0.9%