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 56 65.9%
2 United States 8 9.4%
3 Germany 6 7.1%
4 Australia 5 5.9%
5 Japan 2 2.4%
6 Netherlands 2 2.4%
7 Singapore 2 2.4%
8 Taiwan 1 1.2%
9 United Kingdom 1 1.2%
10 Canada 1 1.2%
11 Hong Kong 1 1.2%