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 178 61.6%
2 United States 50 17.3%
3 Germany 32 11.1%
4 India 7 2.4%
5 Hong Kong 3 1%
6 Russia 3 1%
7 Canada 3 1%
8 Taiwan 3 1%
9 Singapore 2 0.7%
10 Moldova, Republic of 2 0.7%
11 Netherlands 2 0.7%
12 Norway 2 0.7%
13 Romania 2 0.7%