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 22018 99.2%
2 United States 84 0.4%
3 China 46 0.2%
4 Germany 21 0.1%
5 France 13 0.1%
6 Norway 3 0%
7 India 2 0%
8 Japan 1 0%
9 Czech Republic 1 0%
10 United Kingdom 1 0%