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 27 32.5%
2 United States 26 31.3%
3 Germany 12 14.5%
4 Netherlands 3 3.6%
5 Canada 3 3.6%
6 Taiwan 2 2.4%
7 India 2 2.4%
8 Japan 2 2.4%
9 Malaysia 2 2.4%
10 Iran 1 1.2%
11 Hong Kong 1 1.2%
12 Finland 1 1.2%
13 Republic of Korea 1 1.2%