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 47 47%
2 United States 27 27%
3 Germany 6 6%
4 Taiwan 4 4%
5 3 3%
6 Hong Kong 3 3%
7 United Kingdom 2 2%
8 Australia 1 1%
9 France 1 1%
10 India 1 1%
11 Macao 1 1%
12 Malaysia 1 1%
13 Portugal 1 1%
14 Russia 1 1%
15 Singapore 1 1%