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 34 47.9%
2 Germany 10 14.1%
3 United States 8 11.3%
4 France 5 7%
5 Netherlands 5 7%
6 Switzerland 2 2.8%
7 Canada 2 2.8%
8 Malaysia 2 2.8%
9 Hong Kong 2 2.8%
10 India 1 1.4%