BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 68 56.7%
2 United States 32 26.7%
3 Hong Kong 5 4.2%
4 Ukraine 4 3.3%
5 Germany 4 3.3%
6 United Kingdom 1 0.8%
7 Czech Republic 1 0.8%
8 Malaysia 1 0.8%
9 Moldova, Republic of 1 0.8%
10 Netherlands 1 0.8%
11 Portugal 1 0.8%
12 Sweden 1 0.8%