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 39 37.1%
2 United States 25 23.8%
3 China 17 16.2%
4 Germany 13 12.4%
5 France 4 3.8%
6 United Kingdom 2 1.9%
7 Australia 1 1%
8 Japan 1 1%
9 Malaysia 1 1%
10 Russia 1 1%
11 Taiwan 1 1%