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 137 59.3%
2 United States 55 23.8%
3 France 9 3.9%
4 Republic of Korea 7 3%
5 India 7 3%
6 Germany 6 2.6%
7 Finland 5 2.2%
8 Spain 1 0.4%
9 Taiwan 1 0.4%
10 Turkey 1 0.4%
11 Japan 1 0.4%
12 Korea, Republic of 1 0.4%