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 175 76.4%
2 United States 27 11.8%
3 Japan 8 3.5%
4 Germany 7 3.1%
5 Korea, Republic of 2 0.9%
6 Romania 2 0.9%
7 France 2 0.9%
8 Australia 2 0.9%
9 Austria 1 0.4%
10 Canada 1 0.4%
11 Singapore 1 0.4%
12 Ukraine 1 0.4%