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 22 52.4%
2 Japan 4 9.5%
3 Taiwan 4 9.5%
4 United States 4 9.5%
5 Germany 3 7.1%
6 Hong Kong 1 2.4%
7 Australia 1 2.4%
8 Canada 1 2.4%
9 Korea, Republic of 1 2.4%
10 Switzerland 1 2.4%