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 52 53.1%
2 United States 21 21.4%
3 Germany 6 6.1%
4 France 5 5.1%
5 Netherlands 5 5.1%
6 Hong Kong 4 4.1%
7 Czech Republic 2 2%
8 Korea, Republic of 1 1%
9 Singapore 1 1%
10 Taiwan 1 1%