[网络] 置换 permutative equational theory: 置换方程理论 permutations: n. [数] 排列(permutation的复数) permutatively: [网络] 置换 permutationally: [网络] 置换 permutativity: [网络] 介电常数 下载手机词典可随时随地查词查翻译