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 147 77.8%
2 United States 24 12.7%
3 Canada 3 1.6%
4 Germany 3 1.6%
5 Japan 2 1.1%
6 Malaysia 2 1.1%
7 Norway 2 1.1%
8 Singapore 2 1.1%
9 Netherlands 1 0.5%
10 Korea, Republic of 1 0.5%
11 Hong Kong 1 0.5%
12 France 1 0.5%