There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.

已经做过了很多的尝试和努力,但是事实是，很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。

麻省理工公开课 - 计算机科学及编程导论课程节选

One that was developed a number of years ago but has been perfected and refined in recent years with very, very good research.

该概念很多年前就已经提出了,但在近年通过高水平的研究才被改进完善

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

At the end of two years, we're not looking so good. At the end of three years, we are now in Australia. Overrun with rabbits.

就像到了澳大利亚一样,到处是兔子,实际上我不认为这样会返回什么结果。

麻省理工公开课 - 计算机科学及编程导论课程节选

Good scene. It's good because I think it conveys something of the flavor of Machiavelli's thought in Italy for 30 years under the Borgias.

我觉它好是因为片中涵盖了,一些马奇亚维利思想的味道,即意大利在，Borgias，家族,统治下的30，年。

耶鲁公开课 - 政治哲学导论课程节选