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 30 38.5%
2 United States 19 24.4%
3 France 9 11.5%
4 Brazil 3 3.8%
5 Canada 3 3.8%
6 Russia 3 3.8%
7 United Kingdom 3 3.8%
8 Indonesia 2 2.6%
9 Japan 2 2.6%
10 Korea, Republic of 2 2.6%
11 Taiwan 1 1.3%
12 Ukraine 1 1.3%