BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 14 45.2%
2 Germany 3 9.7%
3 Japan 3 9.7%
4 China 2 6.5%
5 United Kingdom 2 6.5%
6 Hong Kong 1 3.2%
7 France 1 3.2%
8 Australia 1 3.2%
9 Canada 1 3.2%
10 Netherlands 1 3.2%
11 Spain 1 3.2%
12 Taiwan 1 3.2%