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 12 24%
2 United States 10 20%
3 France 7 14%
4 Germany 6 12%
5 Canada 5 10%
6 Czech Republic 3 6%
7 Korea, Republic of 3 6%
8 Netherlands 2 4%
9 Singapore 2 4%