BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 9 22%
2 United States 8 19.5%
3 Canada 7 17.1%
4 Netherlands 6 14.6%
5 Korea, Republic of 5 12.2%
6 Malaysia 2 4.9%
7 Germany 2 4.9%
8 Iran, Islamic Republic of 1 2.4%
9 France 1 2.4%