BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 61 62.9%
2 United States 13 13.4%
3 Germany 7 7.2%
4 Hong Kong 2 2.1%
5 Belgium 2 2.1%
6 Brazil 2 2.1%
7 Japan 2 2.1%
8 Kazakhstan 2 2.1%
9 Malaysia 2 2.1%
10 United Kingdom 2 2.1%
11 France 1 1%
12 Hungary 1 1%