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 United States 23 27.1%
2 Netherlands 20 23.5%
3 China 19 22.4%
4 Germany 9 10.6%
5 Sweden 6 7.1%
6 Korea, Republic of 4 4.7%
7 Canada 3 3.5%
8 Moldova, Republic of 1 1.2%