BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 58 55.2%
2 United States 27 25.7%
3 Singapore 7 6.7%
4 Netherlands 3 2.9%
5 France 2 1.9%
6 Korea, Republic of 2 1.9%
7 United Kingdom 2 1.9%
8 Malaysia 1 1%
9 Germany 1 1%
10 Australia 1 1%
11 Taiwan 1 1%