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 China 57 64.8%
2 United States 12 13.6%
3 Germany 9 10.2%
4 Canada 3 3.4%
5 India 2 2.3%
6 Korea, Republic of 1 1.1%
7 Republic of Korea 1 1.1%
8 Taiwan 1 1.1%
9 United Kingdom 1 1.1%
10 Hong Kong 1 1.1%