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 42 42%
2 United States 24 24%
3 Germany 7 7%
4 Hong Kong 7 7%
5 4 4%
6 Australia 4 4%
7 Taiwan 3 3%
8 Singapore 2 2%
9 Canada 2 2%
10 Malaysia 2 2%
11 Portugal 1 1%
12 Russia 1 1%
13 Japan 1 1%