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 47 53.4%
2 Netherlands 13 14.8%
3 United States 10 11.4%
4 Germany 8 9.1%
5 Hong Kong 4 4.5%
6 Taiwan 2 2.3%
7 United Kingdom 1 1.1%
8 France 1 1.1%
9 Korea, Republic of 1 1.1%
10 Malaysia 1 1.1%