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 47 52.2%
2 United States 16 17.8%
3 Germany 14 15.6%
4 India 3 3.3%
5 Romania 3 3.3%
6 Russia 1 1.1%
7 Taiwan 1 1.1%
8 Republic of Korea 1 1.1%
9 Hong Kong 1 1.1%
10 Brazil 1 1.1%
11 Chile 1 1.1%
12 Venezuela 1 1.1%