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 22 39.3%
2 Germany 10 17.9%
3 United States 9 16.1%
4 Japan 3 5.4%
5 3 5.4%
6 Australia 3 5.4%
7 Canada 2 3.6%
8 France 1 1.8%
9 Malaysia 1 1.8%
10 Hong Kong 1 1.8%
11 Ireland 1 1.8%