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 169 70.4%
2 United States 51 21.2%
3 5 2.1%
4 Korea, Republic of 5 2.1%
5 Germany 3 1.2%
6 Ukraine 2 0.8%
7 Congo, The Democratic Republic of The 2 0.8%
8 Canada 1 0.4%
9 Russia 1 0.4%
10 Turkey 1 0.4%