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 39 36.4%
2 United States 19 17.8%
3 Taiwan 14 13.1%
4 Netherlands 12 11.2%
5 Germany 9 8.4%
6 Singapore 5 4.7%
7 Malaysia 4 3.7%
8 Canada 2 1.9%
9 Poland 1 0.9%
10 France 1 0.9%
11 United Kingdom 1 0.9%