BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 49 56.3%
2 United States 15 17.2%
3 Netherlands 12 13.8%
4 Germany 4 4.6%
5 Taiwan 2 2.3%
6 Ukraine 1 1.1%
7 Sweden 1 1.1%
8 Hong Kong 1 1.1%
9 Brazil 1 1.1%
10 Canada 1 1.1%