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 United States 40 50%
2 China 16 20%
3 Germany 10 12.5%
4 Hong Kong 5 6.2%
5 Canada 2 2.5%
6 Czech Republic 1 1.2%
7 France 1 1.2%
8 Japan 1 1.2%
9 Malaysia 1 1.2%
10 Netherlands 1 1.2%
11 Portugal 1 1.2%
12 Taiwan 1 1.2%