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 76 65%
2 United States 15 12.8%
3 Taiwan 5 4.3%
4 Germany 5 4.3%
5 Netherlands 4 3.4%
6 Mexico 3 2.6%
7 Turkey 3 2.6%
8 France 2 1.7%
9 India 1 0.9%
10 Malaysia 1 0.9%
11 Australia 1 0.9%
12 Sweden 1 0.9%