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 20 28.6%
2 United States 12 17.1%
3 Germany 9 12.9%
4 Singapore 8 11.4%
5 Canada 8 11.4%
6 Malaysia 6 8.6%
7 Netherlands 3 4.3%
8 Australia 2 2.9%
9 France 1 1.4%
10 Taiwan 1 1.4%