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 41 36.9%
2 United States 33 29.7%
3 Germany 10 9%
4 Japan 4 3.6%
5 Netherlands 4 3.6%
6 Singapore 4 3.6%
7 Taiwan 3 2.7%
8 New Zealand 3 2.7%
9 Hong Kong 3 2.7%
10 Malaysia 1 0.9%
11 Moldova, Republic of 1 0.9%
12 Finland 1 0.9%
13 Australia 1 0.9%
14 Canada 1 0.9%
15 United Kingdom 1 0.9%