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 16 33.3%
2 United States 14 29.2%
3 Germany 9 18.8%
4 Netherlands 3 6.2%
5 France 2 4.2%
6 Hong Kong 1 2.1%
7 Macao 1 2.1%
8 Republic of Korea 1 2.1%
9 Australia 1 2.1%