BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 China 28 38.4%
2 United States 23 31.5%
3 Germany 7 9.6%
4 France 4 5.5%
5 Canada 3 4.1%
6 United Kingdom 2 2.7%
7 Australia 1 1.4%
8 Indonesia 1 1.4%
9 Malaysia 1 1.4%
10 Norway 1 1.4%
11 Singapore 1 1.4%
12 Taiwan 1 1.4%