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 56 57.7%
2 United States 16 16.5%
3 Germany 13 13.4%
4 Romania 3 3.1%
5 2 2.1%
6 Australia 1 1%
7 Canada 1 1%
8 France 1 1%
9 Singapore 1 1%
10 Turkey 1 1%
11 Japan 1 1%
12 Republic of Korea 1 1%