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 187 62.3%
2 United States 50 16.7%
3 Germany 31 10.3%
4 Taiwan 18 6%
5 Malaysia 3 1%
6 Russia 2 0.7%
7 Hong Kong 2 0.7%
8 Australia 2 0.7%
9 Canada 2 0.7%
10 Singapore 1 0.3%
11 Switzerland 1 0.3%
12 Ukraine 1 0.3%