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 153 63%
2 Germany 38 15.6%
3 United States 32 13.2%
4 Russia 4 1.6%
5 Singapore 2 0.8%
6 Sweden 2 0.8%
7 Mexico 2 0.8%
8 Moldova, Republic of 2 0.8%
9 Netherlands 2 0.8%
10 Romania 2 0.8%
11 Brazil 2 0.8%
12 India 1 0.4%
13 Turkey 1 0.4%