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 102 64.6%
2 United States 14 8.9%
3 Netherlands 12 7.6%
4 France 11 7%
5 Germany 9 5.7%
6 India 2 1.3%
7 Japan 2 1.3%
8 Malaysia 2 1.3%
9 Taiwan 2 1.3%
10 Australia 1 0.6%
11 Moldova, Republic of 1 0.6%