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 26 28%
2 United States 24 25.8%
3 Germany 23 24.7%
4 Korea, Republic of 6 6.5%
5 Canada 5 5.4%
6 Singapore 4 4.3%
7 United Kingdom 2 2.2%
8 Netherlands 2 2.2%
9 Ukraine 1 1.1%