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 66 39.1%
2 China 65 38.5%
3 Germany 19 11.2%
4 France 10 5.9%
5 Korea, Republic of 4 2.4%
6 Netherlands 2 1.2%
7 Portugal 1 0.6%
8 Canada 1 0.6%
9 Iran, Islamic Republic of 1 0.6%