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 269 59.3%
2 United States 111 24.4%
3 Germany 38 8.4%
4 Hong Kong 7 1.5%
5 India 3 0.7%
6 Japan 3 0.7%
7 Malaysia 3 0.7%
8 Spain 3 0.7%
9 Taiwan 3 0.7%
10 United Kingdom 3 0.7%
11 Canada 2 0.4%
12 Netherlands 2 0.4%
13 Australia 2 0.4%
14 Korea, Republic of 2 0.4%
15 Brazil 1 0.2%
16 Moldova, Republic of 1 0.2%
17 Venezuela, Bolivarian Republic of 1 0.2%