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 China 44 47.3%
2 United States 30 32.3%
3 France 5 5.4%
4 Canada 4 4.3%
5 India 3 3.2%
6 Korea, Republic of 3 3.2%
7 Philippines 1 1.1%
8 Russia 1 1.1%
9 Germany 1 1.1%
10 Hong Kong 1 1.1%