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 207 67.6%
2 United States 50 16.3%
3 Taiwan 28 9.2%
4 Hong Kong 6 2%
5 Germany 4 1.3%
6 Japan 3 1%
7 United Kingdom 2 0.7%
8 France 2 0.7%
9 Netherlands 2 0.7%
10 Brazil 1 0.3%
11 Korea, Republic of 1 0.3%