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 21 45.7%
2 Germany 8 17.4%
3 China 6 13%
4 Canada 2 4.3%
5 United Kingdom 2 4.3%
6 India 2 4.3%
7 Malaysia 1 2.2%
8 Republic of Korea 1 2.2%
9 Switzerland 1 2.2%
10 Taiwan 1 2.2%
11 Tanzania 1 2.2%