BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 China 32 38.6%
2 United States 18 21.7%
3 Germany 14 16.9%
4 Hong Kong 4 4.8%
5 Netherlands 3 3.6%
6 Republic of Korea 3 3.6%
7 Romania 3 3.6%
8 Finland 2 2.4%
9 France 1 1.2%
10 Malaysia 1 1.2%
11 Ukraine 1 1.2%
12 Algeria 1 1.2%