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 United States 20 31.2%
2 China 18 28.1%
3 Czech Republic 9 14.1%
4 Japan 6 9.4%
5 France 4 6.2%
6 Germany 2 3.1%
7 Netherlands 2 3.1%
8 Taiwan 2 3.1%
9 Cyprus 1 1.6%