短語(yǔ)詞組短語(yǔ)algebraic c sum 代數(shù)和method of algebraic sum [數(shù)]代數(shù)求和法weighted algebraic sum 加權(quán)代數(shù)和algebraic sum method 代數(shù)和法algebraic sum of image set 象集代數(shù)和 返回 algebraic sum