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 United States 15 31.9%
2 Netherlands 10 21.3%
3 China 7 14.9%
4 Taiwan 3 6.4%
5 Canada 2 4.3%
6 Russia 2 4.3%
7 Germany 2 4.3%
8 Japan 2 4.3%
9 Malaysia 2 4.3%
10 Moldova, Republic of 2 4.3%