BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 30 41.1%
2 United States 23 31.5%
3 Germany 8 11%
4 Netherlands 5 6.8%
5 Singapore 2 2.7%
6 Taiwan 2 2.7%
7 Cyprus 2 2.7%
8 Iran, Islamic Republic of 1 1.4%