BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 250 71.4%
2 United States 42 12%
3 Germany 40 11.4%
4 India 4 1.1%
5 Netherlands 4 1.1%
6 Taiwan 3 0.9%
7 Singapore 2 0.6%
8 Slovenia 1 0.3%
9 Ukraine 1 0.3%
10 United Arab Emirates 1 0.3%
11 Russia 1 0.3%
12 Canada 1 0.3%