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 314 77.5%
2 United States 62 15.3%
3 Germany 7 1.7%
4 Canada 5 1.2%
5 France 4 1%
6 Korea, Republic of 4 1%
7 Switzerland 3 0.7%
8 Taiwan 3 0.7%
9 Ukraine 1 0.2%
10 Romania 1 0.2%
11 Australia 1 0.2%