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 50 39.4%
2 Netherlands 29 22.8%
3 United States 15 11.8%
4 Germany 14 11%
5 France 7 5.5%
6 United Kingdom 7 5.5%
7 Hong Kong 4 3.1%
8 Korea, Republic of 1 0.8%