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http://numbbbbb.com/2016/03/28/20160328_%E6%88%91%E5%A6%82%E4%BD%95%E7%94%A8%E4%B8%A4%E5%91%A8%E6%97%B6%E9%97%B4%E5%88%B7%E5%AE%8C%20SICP/
您即将离开知乎,请注意您的帐号和财产安全。
http://numbbbbb.com/2016/03/28/20160328_%E6%88%91%E5%A6%82%E4%BD%95%E7%94%A8%E4%B8%A4%E5%91%A8%E6%97%B6%E9%97%B4%E5%88%B7%E5%AE%8C%20SICP/