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 37 36.6%
2 United States 31 30.7%
3 Hong Kong 10 9.9%
4 Germany 6 5.9%
5 Singapore 4 4%
6 Taiwan 3 3%
7 Australia 2 2%
8 Russia 2 2%
9 India 2 2%
10 Malaysia 2 2%
11 Portugal 1 1%
12 United Kingdom 1 1%