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 70 44%
2 United States 27 17%
3 Netherlands 22 13.8%
4 France 14 8.8%
5 Germany 9 5.7%
6 Russia 9 5.7%
7 Sweden 2 1.3%
8 Malaysia 2 1.3%
9 Czech Republic 2 1.3%
10 Hong Kong 1 0.6%
11 Australia 1 0.6%