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 51 52.6%
2 Germany 13 13.4%
3 China 10 10.3%
4 Hong Kong 6 6.2%
5 Netherlands 3 3.1%
6 Republic of Korea 2 2.1%
7 Romania 2 2.1%
8 Russia 2 2.1%
9 Australia 2 2.1%
10 Canada 1 1%
11 Finland 1 1%
12 Japan 1 1%
13 Korea, Republic of 1 1%
14 Malaysia 1 1%
15 Taiwan 1 1%