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 United States 30 31.2%
2 China 25 26%
3 Germany 17 17.7%
4 Hong Kong 4 4.2%
5 Taiwan 4 4.2%
6 United Kingdom 3 3.1%
7 Canada 3 3.1%
8 Malaysia 3 3.1%
9 Nigeria 2 2.1%
10 Portugal 1 1%
11 Ireland 1 1%
12 Czech Republic 1 1%
13 Australia 1 1%
14 Belgium 1 1%