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 67 62.6%
2 Germany 11 10.3%
3 Korea, Republic of 9 8.4%
4 France 5 4.7%
5 Russia 4 3.7%
6 Mauritius 3 2.8%
7 United Kingdom 3 2.8%
8 United States 3 2.8%
9 Norway 1 0.9%
10 United Arab Emirates 1 0.9%