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 31 34.8%
2 United States 24 27%
3 Germany 15 16.9%
4 Netherlands 5 5.6%
5 Romania 3 3.4%
6 Hong Kong 3 3.4%
7 India 2 2.2%
8 Korea, Republic of 1 1.1%
9 Malaysia 1 1.1%
10 United Kingdom 1 1.1%
11 Poland 1 1.1%
12 Republic of Korea 1 1.1%
13 Australia 1 1.1%