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 28 40%
2 United States 16 22.9%
3 Korea, Republic of 7 10%
4 Sweden 7 10%
5 Netherlands 6 8.6%
6 Germany 3 4.3%
7 France 1 1.4%
8 Australia 1 1.4%
9 Canada 1 1.4%