| 单词 | permutation |
| 释义 | permutation (once / 18643 pages) n A permutation is a change or variation, like the many possible permutations of hair color you get when you start experimenting with different dyes. Permutation is made of the prefix per for "thoroughly" and mutation, which means “change.” A permutation is a thorough change of something, like a substitution. Asking a waiter to give you sweet potato fries instead of regular fries is a permutation. Switching hats with a friend is a permutation. If you switch hats with five of your friends, you'll have many fashion permutations to choose from. Permutations are also like replacements or switches. WORD FAMILYpermutation: permutations+/permutable: permutability, permutableness, permutably/permute: permutable, permutation, permuted USAGE EXAMPLESPermutations and models are reliable, however, only when projections capture the uncertainty of both the underlying data and the model itself. Nature(Nov 29, 2016) Three new books have arrived, ideal for those still intrigued by the Cold War in all its permutations. Washington Times(Nov 27, 2016) Just to make it easy, here’s a handy breakdown of all the permutations. The Guardian(Nov 18, 2016) 1n complete change in character or condition "the permutations...taking place in the physical world"- Henry Miller Hyper transformation, translation the act of changing in form or shape or appearance 2n act of changing the lineal order of objects in a group Hyper reordering a rearrangement in a different order 3n the act of changing the arrangement of a given number of elements Hyper mathematical operation, mathematical process, operation (mathematics) calculation by mathematical methods 4n an event in which one thing is substituted for another Syn|Hyper replacement, substitution, switch, transposition fluctuation, variation an instance of change; the rate or magnitude of change |
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