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 42.4%
2 United States 26 26.3%
3 Germany 13 13.1%
4 France 5 5.1%
5 Netherlands 5 5.1%
6 Korea, Republic of 4 4%
7 Russia 2 2%
8 Canada 1 1%
9 Japan 1 1%