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 185 79.1%
2 United States 30 12.8%
3 Korea, Republic of 7 3%
4 Germany 3 1.3%
5 Canada 2 0.9%
6 Iran, Islamic Republic of 2 0.9%
7 Taiwan 2 0.9%
8 Ukraine 1 0.4%
9 Russia 1 0.4%
10 Hong Kong 1 0.4%