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 33 45.2%
2 Germany 15 20.5%
3 United States 15 20.5%
4 Romania 3 4.1%
5 India 3 4.1%
6 Republic of Korea 1 1.4%
7 Hong Kong 1 1.4%
8 Spain 1 1.4%
9 Switzerland 1 1.4%