BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 53 63.9%
2 Taiwan 9 10.8%
3 United States 9 10.8%
4 Russia 3 3.6%
5 Germany 3 3.6%
6 United Kingdom 2 2.4%
7 Hong Kong 1 1.2%
8 Japan 1 1.2%
9 Netherlands 1 1.2%
10 New Zealand 1 1.2%