BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 15 32.6%
2 United States 9 19.6%
3 Russia 8 17.4%
4 Korea, Republic of 7 15.2%
5 Germany 3 6.5%
6 Netherlands 2 4.3%
7 France 1 2.2%
8 Singapore 1 2.2%