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 57 36.8%
2 United States 33 21.3%
3 Taiwan 25 16.1%
4 Germany 15 9.7%
5 Netherlands 8 5.2%
6 Hong Kong 5 3.2%
7 Canada 5 3.2%
8 Czech Republic 2 1.3%
9 France 1 0.6%
10 Australia 1 0.6%
11 Portugal 1 0.6%
12 Ukraine 1 0.6%
13 United Kingdom 1 0.6%