BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 48 46.6%
2 China 24 23.3%
3 Taiwan 11 10.7%
4 Germany 7 6.8%
5 United Kingdom 4 3.9%
6 Russia 3 2.9%
7 France 2 1.9%
8 Australia 1 1%
9 Estonia 1 1%
10 Hong Kong 1 1%
11 Moldova, Republic of 1 1%