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 42.5%
2 United States 36 28.3%
3 Taiwan 8 6.3%
4 Germany 7 5.5%
5 Guinea 3 2.4%
6 Hong Kong 3 2.4%
7 2 1.6%
8 Australia 2 1.6%
9 Canada 2 1.6%
10 Russia 2 1.6%
11 United Kingdom 2 1.6%
12 Singapore 1 0.8%
13 Sweden 1 0.8%
14 Thailand 1 0.8%
15 France 1 0.8%
16 Japan 1 0.8%
17 Portugal 1 0.8%