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 United States 175 43.8%
2 China 148 37%
3 Germany 32 8%
4 Canada 25 6.2%
5 Malaysia 4 1%
6 Russia 2 0.5%
7 Singapore 2 0.5%
8 Taiwan 2 0.5%
9 Hong Kong 2 0.5%
10 Australia 2 0.5%
11 Austria 2 0.5%
12 United Kingdom 2 0.5%
13 Brazil 1 0.2%
14 Turkey 1 0.2%