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 51 52.6%
2 United States 20 20.6%
3 India 7 7.2%
4 Republic of Korea 7 7.2%
5 Finland 5 5.2%
6 France 2 2.1%
7 Germany 1 1%
8 Spain 1 1%
9 Taiwan 1 1%
10 Japan 1 1%
11 Korea, Republic of 1 1%