BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 United States 27 34.6%
2 Germany 15 19.2%
3 China 12 15.4%
4 Hong Kong 6 7.7%
5 Japan 6 7.7%
6 Netherlands 4 5.1%
7 Taiwan 2 2.6%
8 United Kingdom 2 2.6%
9 France 2 2.6%
10 Iran 1 1.3%
11 Republic of Korea 1 1.3%