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 81 53.6%
2 United States 24 15.9%
3 Netherlands 17 11.3%
4 Germany 9 6%
5 Taiwan 6 4%
6 Australia 3 2%
7 Canada 2 1.3%
8 Hong Kong 2 1.3%
9 France 2 1.3%
10 Russia 1 0.7%
11 Switzerland 1 0.7%
12 Indonesia 1 0.7%
13 Malaysia 1 0.7%
14 Czech Republic 1 0.7%