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 China 73 51%
2 United States 33 23.1%
3 Germany 18 12.6%
4 Japan 4 2.8%
5 Hong Kong 3 2.1%
6 Taiwan 3 2.1%
7 United Kingdom 2 1.4%
8 Canada 2 1.4%
9 Malaysia 1 0.7%
10 Mexico 1 0.7%
11 Netherlands 1 0.7%
12 Portugal 1 0.7%
13 Russia 1 0.7%