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 37 41.1%
2 China 24 26.7%
3 Netherlands 12 13.3%
4 Germany 7 7.8%
5 Korea, Republic of 4 4.4%
6 Singapore 2 2.2%
7 Canada 2 2.2%
8 Czech Republic 1 1.1%
9 France 1 1.1%