幂[幂]mìⅠ ❶ [书] (覆盖东西的巾) cloth cover ❷ {数} (表示一个数自乘若干次的形式) power: 对称 ~ symmetric power; 外 ~ exterior power Ⅱ [书] (覆盖; 罩) cover with cloth ◆幂乘积 power product; 幂集(合) {数} power set; 幂级数 {数} power series; series of powers; positive series; 幂零 {数} nilpotent; 幂指数 power exponent; exponent sign |