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 China 32 37.6%
2 United States 27 31.8%
3 Germany 8 9.4%
4 France 7 8.2%
5 Czech Republic 3 3.5%
6 Australia 2 2.4%
7 India 1 1.2%
8 Japan 1 1.2%
9 Korea, Republic of 1 1.2%
10 Netherlands 1 1.2%
11 Turkey 1 1.2%
12 United Kingdom 1 1.2%