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 8 27.6%
2 Canada 6 20.7%
3 Indonesia 5 17.2%
4 Netherlands 4 13.8%
5 United States 2 6.9%
6 Singapore 1 3.4%
7 Iran, Islamic Republic of 1 3.4%
8 Brazil 1 3.4%
9 Germany 1 3.4%