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 28 29.5%
2 China 25 26.3%
3 Netherlands 11 11.6%
4 Taiwan 7 7.4%
5 Germany 7 7.4%
6 France 6 6.3%
7 Hong Kong 2 2.1%
8 Japan 2 2.1%
9 Moldova, Republic of 2 2.1%
10 Czech Republic 2 2.1%
11 2 2.1%
12 Australia 1 1.1%