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 31 41.3%
2 China 24 32%
3 France 5 6.7%
4 Germany 3 4%
5 United Kingdom 3 4%
6 Switzerland 2 2.7%
7 Canada 2 2.7%
8 Japan 2 2.7%
9 Malaysia 1 1.3%
10 Australia 1 1.3%
11 Hong Kong 1 1.3%