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 66 46.8%
2 United States 51 36.2%
3 Germany 9 6.4%
4 Canada 3 2.1%
5 Australia 2 1.4%
6 France 2 1.4%
7 Japan 2 1.4%
8 Portugal 2 1.4%
9 United Kingdom 2 1.4%
10 Malaysia 1 0.7%
11 Hong Kong 1 0.7%