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 20 42.6%
2 United States 11 23.4%
3 Germany 6 12.8%
4 Malaysia 3 6.4%
5 Netherlands 2 4.3%
6 Russia 2 4.3%
7 Taiwan 1 2.1%
8 Canada 1 2.1%
9 France 1 2.1%