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 63 43.8%
2 United States 47 32.6%
3 Germany 12 8.3%
4 Taiwan 9 6.2%
5 Hong Kong 6 4.2%
6 Canada 2 1.4%
7 Bahrain 1 0.7%
8 United Kingdom 1 0.7%
9 Netherlands 1 0.7%
10 Portugal 1 0.7%
11 Viet Nam 1 0.7%