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 44%
2 United States 8 16%
3 Korea, Republic of 4 8%
4 Germany 3 6%
5 Malaysia 3 6%
6 France 2 4%
7 Canada 2 4%
8 Australia 1 2%
9 Finland 1 2%
10 Hong Kong 1 2%
11 Japan 1 2%
12 Macao 1 2%
13 Poland 1 2%