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 27 56.2%
2 China 10 20.8%
3 France 4 8.3%
4 United Kingdom 2 4.2%
5 Germany 1 2.1%
6 Hong Kong 1 2.1%
7 India 1 2.1%
8 Korea, Republic of 1 2.1%
9 Netherlands 1 2.1%