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 29 32.2%
2 United States 21 23.3%
3 France 9 10%
4 Netherlands 9 10%
5 Hong Kong 6 6.7%
6 Czech Republic 5 5.6%
7 United Kingdom 4 4.4%
8 Canada 2 2.2%
9 Japan 2 2.2%
10 Malaysia 1 1.1%
11 Romania 1 1.1%
12 India 1 1.1%