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 United States 44 44%
2 China 17 17%
3 Germany 12 12%
4 Taiwan 9 9%
5 Netherlands 5 5%
6 Republic of Korea 3 3%
7 India 3 3%
8 Australia 3 3%
9 Canada 1 1%
10 France 1 1%
11 Malaysia 1 1%
12 Singapore 1 1%