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 21 42.9%
2 United States 11 22.4%
3 Canada 5 10.2%
4 Iran, Islamic Republic of 4 8.2%
5 Japan 2 4.1%
6 Slovakia 2 4.1%
7 Sweden 1 2%
8 Thailand 1 2%
9 Korea, Republic of 1 2%
10 Portugal 1 2%