BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 45 49.5%
2 China 17 18.7%
3 Taiwan 9 9.9%
4 Germany 4 4.4%
5 Hong Kong 4 4.4%
6 Japan 3 3.3%
7 United Kingdom 2 2.2%
8 India 2 2.2%
9 France 2 2.2%
10 Finland 1 1.1%
11 Korea, Republic of 1 1.1%
12 Spain 1 1.1%