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 45.8%
2 Canada 5 10.4%
3 Korea, Republic of 4 8.3%
4 United States 4 8.3%
5 Malaysia 3 6.2%
6 Germany 3 6.2%
7 Taiwan 2 4.2%
8 India 2 4.2%
9 Ukraine 1 2.1%
10 Hong Kong 1 2.1%
11 Australia 1 2.1%