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 United States 39 46.4%
2 China 22 26.2%
3 Taiwan 8 9.5%
4 Germany 3 3.6%
5 Russia 3 3.6%
6 United Kingdom 2 2.4%
7 France 2 2.4%
8 Australia 2 2.4%
9 Brazil 2 2.4%
10 Moldova, Republic of 1 1.2%