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 164 71.6%
2 United States 36 15.7%
3 10 4.4%
4 Germany 7 3.1%
5 Japan 3 1.3%
6 Spain 2 0.9%
7 Greece 2 0.9%
8 Brazil 1 0.4%
9 Canada 1 0.4%
10 Ukraine 1 0.4%
11 Netherlands 1 0.4%
12 Singapore 1 0.4%