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 63 65.6%
2 United States 9 9.4%
3 United Kingdom 6 6.2%
4 France 5 5.2%
5 Netherlands 5 5.2%
6 Singapore 2 2.1%
7 Taiwan 2 2.1%
8 Germany 2 2.1%
9 Malaysia 1 1%
10 Poland 1 1%