您即将离开北大未名BBS,访问
http://dbnav.lib.pku.edu.cn/content/eps%EF%BC%88economy-prediction-system%EF%BC%89%E5%85%A8%E7%90%83%E7%BB%9F%E8%AE%A1%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E5%B9%B3%E5%8F%B0
该网址与北大未名BBS无关,提醒您访问时注意判断信息真伪。