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 18 42.9%
2 China 7 16.7%
3 France 4 9.5%
4 Taiwan 4 9.5%
5 Germany 3 7.1%
6 Hong Kong 1 2.4%
7 India 1 2.4%
8 Russia 1 2.4%
9 Spain 1 2.4%
10 Ukraine 1 2.4%
11 Australia 1 2.4%