BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 32 36.8%
2 United States 17 19.5%
3 Netherlands 15 17.2%
4 Korea, Republic of 7 8%
5 Germany 5 5.7%
6 Canada 4 4.6%
7 Austria 2 2.3%
8 France 2 2.3%
9 Kazakhstan 1 1.1%
10 Romania 1 1.1%
11 Taiwan 1 1.1%