permutation基本解释
n,[数]排列；置换,同近
permutation相关例句和用法a sandwich shop that sells every possible permutation of meat and bread.出售各种肉类和面包组合的三明治店
permutation英英释义改变, 交换, [数]排列, 置换英释中释none of the different ways in which a number of things can be arranged
permutation短语permutation and combination,n. [数]排列组合.短语