多项式 duōxiàngshì polynomial Origin Definitions Defs Strokes Stroke Words Sentences Sents 二次多项式 èrcìduōxiàngshì quadratic polynomial (math.) quadratic polynomial多项式方程 duōxiàngshìfāngchéng polynomial equation (math.) polynomial equation多项式方程组 duōxiàngshìfāngchéngzǔ polynomial system (math.) system of polynomial equations