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 77 60.6%
2 United States 19 15%
3 Germany 10 7.9%
4 Hong Kong 6 4.7%
5 Japan 3 2.4%
6 France 2 1.6%
7 United Kingdom 2 1.6%
8 Italy 1 0.8%
9 Australia 1 0.8%
10 Brazil 1 0.8%
11 Korea, Republic of 1 0.8%
12 Malaysia 1 0.8%
13 Portugal 1 0.8%
14 Singapore 1 0.8%
15 Sweden 1 0.8%