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 46 55.4%
2 China 18 21.7%
3 Germany 12 14.5%
4 Japan 1 1.2%
5 Korea, Republic of 1 1.2%
6 Netherlands 1 1.2%
7 New Zealand 1 1.2%
8 Republic of Korea 1 1.2%
9 Ecuador 1 1.2%
10 Canada 1 1.2%