• That creates a problem in the genetic code in that there's 64 possible sequences but there's only 20 some amino acids, so each amino acid can be specified by more than one codon.

    这里有个问题,遗传密码有六十四种可能的序列,而只有二十种氨基酸,因此每种氨基酸都有,不止一种密码子与之对应

    耶鲁公开课 - 生物医学工程探索课程节选

  • The answer is I can't. OK, in the simple case of integers I can, but in the case of something more complex like faces or fingerprints or passwords for that matter, it's hard to design a hash function that has completely even distribution, meaning that it takes any input into exactly one output spot.

    答案是我不能,好吧,在简单的整数的例子中,我可以做到,但是在一些更复杂的场景中,比如面部,指纹,密码相关的问题中,很难设计一个哈希函数具备完全平均的分配,也就是说,做到对任一输入,可以准确地得到相应的唯一输出,因此在一个哈希问题中。

    麻省理工公开课 - 计算机科学及编程导论课程节选

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