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 29 38.7%
2 Germany 12 16%
3 China 7 9.3%
4 6 8%
5 Netherlands 5 6.7%
6 Taiwan 4 5.3%
7 Vietnam 2 2.7%
8 Korea, Republic of 2 2.7%
9 Malaysia 2 2.7%
10 Morocco 1 1.3%
11 Republic of Korea 1 1.3%
12 Singapore 1 1.3%
13 France 1 1.3%
14 Hong Kong 1 1.3%
15 Japan 1 1.3%