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 17 53.1%
2 United States 5 15.6%
3 Republic of Korea 2 6.2%
4 Taiwan 2 6.2%
5 Canada 1 3.1%
6 Spain 1 3.1%
7 Denmark 1 3.1%
8 Hong Kong 1 3.1%
9 Japan 1 3.1%
10 Korea, Republic of 1 3.1%