BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 China 33 35.5%
2 United States 28 30.1%
3 Germany 11 11.8%
4 India 7 7.5%
5 France 5 5.4%
6 Netherlands 3 3.2%
7 Spain 2 2.2%
8 Portugal 1 1.1%
9 Indonesia 1 1.1%
10 Australia 1 1.1%
11 Czech Republic 1 1.1%