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 259 79%
2 United States 40 12.2%
3 Korea, Republic of 8 2.4%
4 Canada 7 2.1%
5 Germany 4 1.2%
6 Russia 3 0.9%
7 Ukraine 2 0.6%
8 United Kingdom 2 0.6%
9 Norway 1 0.3%
10 Romania 1 0.3%
11 Denmark 1 0.3%