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 41 49.4%
2 China 16 19.3%
3 Germany 12 14.5%
4 India 3 3.6%
5 Republic of Korea 3 3.6%
6 Taiwan 3 3.6%
7 Australia 2 2.4%
8 United Kingdom 1 1.2%
9 Poland 1 1.2%
10 France 1 1.2%