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 115 46.4%
2 United States 91 36.7%
3 Taiwan 10 4%
4 Germany 7 2.8%
5 Hong Kong 6 2.4%
6 Ukraine 6 2.4%
7 United Kingdom 3 1.2%
8 3 1.2%
9 Japan 2 0.8%
10 Malaysia 1 0.4%
11 Portugal 1 0.4%
12 South Africa 1 0.4%
13 Italy 1 0.4%
14 Canada 1 0.4%