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 28 35.4%
2 China 18 22.8%
3 Germany 14 17.7%
4 India 3 3.8%
5 Japan 2 2.5%
6 Republic of Korea 2 2.5%
7 Taiwan 2 2.5%
8 Algeria 2 2.5%
9 Australia 1 1.3%
10 Hong Kong 1 1.3%
11 Czech Republic 1 1.3%
12 Denmark 1 1.3%
13 Ecuador 1 1.3%
14 Ukraine 1 1.3%
15 Singapore 1 1.3%
16 Italy 1 1.3%