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 59 54.1%
2 United States 26 23.9%
3 Hong Kong 11 10.1%
4 Germany 5 4.6%
5 Taiwan 3 2.8%
6 Switzerland 2 1.8%
7 Moldova, Republic of 1 0.9%
8 Portugal 1 0.9%
9 France 1 0.9%