北大盛产博士,国人皆知。但国人未必都知道,有博士文凭,不一定有博士水平,有博士水平,又未必一定要有那张文凭。以下4人都是北大顶尖儿级博士,但他们有的拖延一年才拿文凭,有的历尽周折才获得学位,有的起初根本不要那张废纸,光明正大自称“博士”。下面略述其一鳞半爪,从中可见北大之怪异风采。 Peking University rich doctor, we all know. However, people may not always know that a Ph.D. degree is not necessarily a PhD level, a PhD level, but not necessarily have a diploma. The following four are top-level Ph.Ds at Peking University. However, some of them delayed their diploma by one year, and some went through disastrous periods to obtain a degree. Some at first did not want the piece of paper at all. The following outlines a scale of its claws, which shows Pekingese weird style.