BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 28 40.6%
2 United States 9 13%
3 Germany 6 8.7%
4 Russia 6 8.7%
5 Australia 5 7.2%
6 Canada 5 7.2%
7 Malaysia 4 5.8%
8 New Zealand 3 4.3%
9 Korea, Republic of 2 2.9%
10 United Arab Emirates 1 1.4%