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 93 51.1%
2 United States 49 26.9%
3 Taiwan 8 4.4%
4 France 8 4.4%
5 Germany 8 4.4%
6 Netherlands 8 4.4%
7 Singapore 3 1.6%
8 Russia 2 1.1%
9 Sweden 1 0.5%
10 Hong Kong 1 0.5%
11 Canada 1 0.5%