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 42 43.3%
2 United States 29 29.9%
3 Germany 8 8.2%
4 Singapore 6 6.2%
5 Netherlands 5 5.2%
6 Korea, Republic of 3 3.1%
7 Lithuania 2 2.1%
8 Turkmenistan 1 1%
9 Ukraine 1 1%