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 50 47.2%
2 United States 28 26.4%
3 Germany 6 5.7%
4 Hong Kong 6 5.7%
5 Portugal 6 5.7%
6 Malaysia 2 1.9%
7 Iran, Islamic Republic of 2 1.9%
8 United Kingdom 2 1.9%
9 Luxembourg 1 0.9%
10 Australia 1 0.9%
11 Russia 1 0.9%
12 Taiwan 1 0.9%