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 Germany 12 30.8%
2 United States 11 28.2%
3 China 8 20.5%
4 Romania 3 7.7%
5 France 2 5.1%
6 Korea, Republic of 1 2.6%
7 Republic of Korea 1 2.6%
8 Venezuela, Bolivarian Republic of 1 2.6%