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 12 24.5%
2 11 22.4%
3 China 11 22.4%
4 Europe 3 6.1%
5 Canada 2 4.1%
6 Hong Kong 2 4.1%
7 Malaysia 2 4.1%
8 Russia 1 2%
9 United Kingdom 1 2%
10 India 1 2%
11 Japan 1 2%
12 Kazakhstan 1 2%
13 Germany 1 2%