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 56 57.1%
2 China 15 15.3%
3 Germany 9 9.2%
4 Netherlands 5 5.1%
5 Romania 3 3.1%
6 Malaysia 2 2%
7 India 2 2%
8 Japan 2 2%
9 Latvia 1 1%
10 Republic of Korea 1 1%
11 France 1 1%
12 Taiwan 1 1%