permutations

英 [ˌpɜːmju(ː)ˈteɪʃənz]

美 [ˌpɜrmjuˈteɪʃənz]

n.  排列(方式); 组合(方式); 置换
permutation的复数

柯林斯词典

• N-COUNT 排列
  Apermutationis one of the ways in which a number of things can be ordered or arranged.
  1. Variation among humans is limited to the possible permutations of our genes.
     人类的变异受限于我们的基因可能存在哪些排列。

双语例句

• Simulation also allows the evolution of robotics control systems, which depend on random permutations of the control system over many generations ( as demonstrated by genetic algorithms).
  仿真还可以允许对机器人控制系统进行革新，这依赖于很多代控制系统的随机排列（遗传算法可以证实这一点）。
• Affine inverse functions derived from the inverse function composed with affine permutations possess good cryptographic properties.
  有限域上的逆函数左右复合一个仿射置换而成的仿射逆函数具有很好的密码学性质。
• Write a function to print all of the permutations of a string.
  写一个功能打印所有一根线的换变。
• Calculate numbers of possible outcomes of elementary combinatorial processes such as permutations and combinations.
  计算出基本组合程序（例如排列与组合）的可能产生数目。
• These permutations multiply towards infinity
  这些排列可以增加到无穷大。
• The regex must try all of these permutations before giving up on the match attempt.
  正则表达式在最终放弃匹配之前必须尝试所有的排列组合。
• And based on this, people have calculated that the number of permutations and combinations of brain activity exceeds the number of elementary particles in the universe.
  基于这一点，人们计算出大脑活动的排列组合，总数超过了宇宙中基本粒子的数量。
• When former banker James sleater set up CAD and the dandy, a website that produces bespoke suits and shirts, he worked closely with a computer programmer to create a specific software package that could accommodate the various permutations of customer size, cut and fabric.
  前银行家詹姆斯斯利特（jamessleater）在创建了定做西服和衬衫的网站cadandthedandy后，与一名电脑程序师密切合作，开发了一套支持各种客户尺寸、裁剪和面料组合的特定软件。
• In this paper a method to count a class of permutations excluding continuous pair is given by applying the principle of inclusion and exclusion, and the results are extended.
  应用容斥原理解决了不含连续数对的一系列排列的计数问题，并将其进行了推广。
• As the application of orthomorphic permutations in cryptography, we simply emphasize the advantage provided by such permutation in increasing the security of a block cipher.
  简要强调了利用正形置换强化分组密码的优点；利用正形置换设计了一种密码安全布尔函数。