排列
近义词与同义词
按词义分组列出，使用时请结合具体语境。
relative status; "his salary was determined by his rank and seniority"
an orderly arrangement; "an array of troops in battle order"
arrange thoughts, ideas, temporal events; "arrange my schedule"; "set up one's life"; "I put these memories with those of bygone times"
put into a proper or systematic order; "arrange the books on the shelves in chronological order"
the spatial property of the way in which something is placed; "the arrangement of the furniture"; "the placement of the chairs"
an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement"
基本解释
从m个不同的元素里，每次取出n个元素，按照某种顺序排成一列，称为排列。当1≤n＜m时，称为选排列，其所有不同排列的种数用符号p琻璵或a琻璵表示，p琻璵=m(m-1)(m-2)…(m-n+1)=m!。当n=m时，称为全排列，其所有不同排列的种数简记为p璵或a璵，p璵=m(m-1)(m-2)…2·1=m!。