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 172 75.4%
2 United States 39 17.1%
3 Taiwan 3 1.3%
4 Germany 3 1.3%
5 Hong Kong 2 0.9%
6 Netherlands 2 0.9%
7 Republic of Korea 1 0.4%
8 Finland 1 0.4%
9 France 1 0.4%
10 Japan 1 0.4%
11 Macao 1 0.4%
12 Thailand 1 0.4%
13 Canada 1 0.4%