permutations
英[pɜːmjuː'teɪʃnz]
美[pɜːmjuː'teɪʃnz]
- 置换
详细释义
名词 permutation:
-
an event in which one thing is substituted for another
-
the act of changing the arrangement of a given number of elements
-
complete change in character or condition- Henry Miller
-
act of changing the lineal order of objects in a group
双语例句
- Multiplication of permutations, unlike multiplication of numbers, is not always commutative.
置换的乘法不同于数的乘法，它并不一定满足交换律。 - It turns out that all these problems can be solved at once, provided we learn enough about the cycle structure of permutations.
结果是，所有这些问题都可以一次解决，只要我们充分地了解各置换的循环结构。
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