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 167 82.7%
2 Germany 7 3.5%
3 United States 7 3.5%
4 Taiwan 5 2.5%
5 Australia 4 2%
6 Hong Kong 4 2%
7 United Kingdom 3 1.5%
8 Korea, Republic of 2 1%
9 Netherlands 1 0.5%
10 New Zealand 1 0.5%
11 Russia 1 0.5%