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 38 38.8%
2 United States 20 20.4%
3 China 12 12.2%
4 Germany 9 9.2%
5 Taiwan 8 8.2%
6 United Kingdom 4 4.1%
7 France 3 3.1%
8 Japan 1 1%
9 New Zealand 1 1%
10 Egypt 1 1%
11 Canada 1 1%