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 37 42%
2 United States 18 20.5%
3 Netherlands 17 19.3%
4 Germany 4 4.5%
5 Korea, Republic of 2 2.3%
6 Ukraine 2 2.3%
7 Italy 1 1.1%
8 Australia 1 1.1%
9 Brazil 1 1.1%
10 Chile 1 1.1%
11 Norway 1 1.1%
12 Spain 1 1.1%
13 Taiwan 1 1.1%
14 Thailand 1 1.1%