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 38 45.2%
2 United States 23 27.4%
3 Taiwan 7 8.3%
4 Germany 6 7.1%
5 Australia 2 2.4%
6 Japan 2 2.4%
7 Korea, Republic of 1 1.2%
8 Malaysia 1 1.2%
9 New Zealand 1 1.2%
10 Singapore 1 1.2%
11 Canada 1 1.2%
12 Hong Kong 1 1.2%