permutation
- n. [数] 排列;[数] 置换
英英释意
- 1. an event in which one thing is substituted for another;
- "the replacement of lost blood by a transfusion of donor blood"
- 2. the act of changing the arrangement of a given number of elements
- 3. complete change in character or condition;
- "the permutations...taking place in the physical world"- Henry Miller
- 4. act of changing the lineal order of objects in a group