组合
近义词与同义词
按词义分组列出,使用时请结合具体语境。
have a strong tendency to occur side by side; "The words 'new' and 'world' collocate"
the act of combining things to form a new whole
create by putting components or members together; "She pieced a quilt"; "He tacked together some verses"; "They set up a committee"
基本解释
①由几个部分或个体结合成整体组合起来|劳动组合。②从m个不同的元素里,每次取出n个元素,不管以怎样的顺序并成一组,均称为组合。其所有不同组合的种数用符号c琻璵表示,c琻璵=p琻璵p璶=m(m-1)…(m-n+1)n!=m!n!(m-n)!。此外,规定c0璵=1。