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 33 36.3%
2 United States 24 26.4%
3 Germany 11 12.1%
4 France 8 8.8%
5 Canada 4 4.4%
6 India 2 2.2%
7 Singapore 2 2.2%
8 Spain 2 2.2%
9 Taiwan 1 1.1%
10 South Africa 1 1.1%
11 Russia 1 1.1%
12 Hong Kong 1 1.1%
13 Czech Republic 1 1.1%