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 42 59.2%
2 Germany 6 8.5%
3 United States 6 8.5%
4 India 5 7%
5 Romania 4 5.6%
6 Hong Kong 3 4.2%
7 Australia 2 2.8%
8 South Africa 1 1.4%
9 Mexico 1 1.4%
10 New Zealand 1 1.4%