BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 54 54.5%
2 United States 15 15.2%
3 Netherlands 13 13.1%
4 Germany 12 12.1%
5 Moldova, Republic of 1 1%
6 France 1 1%
7 Norway 1 1%
8 Singapore 1 1%
9 United Arab Emirates 1 1%