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
1 324 85.5%
2 China 18 4.7%
3 United States 16 4.2%
4 Malaysia 6 1.6%
5 Switzerland 4 1.1%
6 Germany 4 1.1%
7 Hong Kong 2 0.5%
8 Ireland 1 0.3%
9 Italy 1 0.3%
10 Japan 1 0.3%
11 Korea, Republic of 1 0.3%
12 United Kingdom 1 0.3%