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 54 57.4%
2 United States 20 21.3%
3 Germany 7 7.4%
4 Hong Kong 3 3.2%
5 Taiwan 3 3.2%
6 United Kingdom 1 1.1%
7 1 1.1%
8 Australia 1 1.1%
9 Canada 1 1.1%
10 Portugal 1 1.1%
11 Russia 1 1.1%
12 Singapore 1 1.1%