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 32 46.4%
2 United States 21 30.4%
3 Netherlands 7 10.1%
4 Russia 2 2.9%
5 Germany 2 2.9%
6 Japan 2 2.9%
7 Moldova, Republic of 1 1.4%
8 Hong Kong 1 1.4%
9 Canada 1 1.4%