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 50 56.8%
2 United States 20 22.7%
3 Germany 5 5.7%
4 Netherlands 5 5.7%
5 France 3 3.4%
6 Taiwan 2 2.3%
7 Russia 1 1.1%
8 Canada 1 1.1%
9 Czech Republic 1 1.1%