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 103 64.8%
2 United States 32 20.1%
3 Germany 13 8.2%
4 Netherlands 5 3.1%
5 Republic of Korea 2 1.3%
6 United Kingdom 1 0.6%
7 Poland 1 0.6%
8 Hong Kong 1 0.6%
9 Korea, Republic of 1 0.6%