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 15 45.5%
2 Norway 3 9.1%
3 Singapore 3 9.1%
4 United States 3 9.1%
5 Malaysia 2 6.1%
6 Germany 2 6.1%
7 Canada 2 6.1%
8 Australia 1 3%
9 Japan 1 3%
10 New Zealand 1 3%