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 18 31%
2 China 11 19%
3 Germany 9 15.5%
4 France 5 8.6%
5 Viet Nam 3 5.2%
6 South Africa 3 5.2%
7 Switzerland 2 3.4%
8 Taiwan 1 1.7%
9 United Kingdom 1 1.7%
10 Hong Kong 1 1.7%
11 Malaysia 1 1.7%
12 Morocco 1 1.7%
13 Norway 1 1.7%
14 Saudi Arabia 1 1.7%