BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 28 58.3%
2 Germany 6 12.5%
3 India 3 6.2%
4 Kazakhstan 2 4.2%
5 Singapore 2 4.2%
6 Taiwan 2 4.2%
7 United States 1 2.1%
8 Bulgaria 1 2.1%
9 Sri Lanka 1 2.1%
10 Mexico 1 2.1%
11 Jamaica 1 2.1%