alterative的音标：alterative的英式发音音标为：['ɔ:ltərətɪv]alterative的美式发音音标为：['ɔltərətɪv]...

adj.（趋于）改变的，变质的，使体质逐渐康复的n.变质剂，体质改善疗法...

The more alterative, the more difficult the choice.选择越多, 愈难抉择.This paper propose a novel alterative step LMS auto - adapted filter algorithm based on mean squared - error estimation.介绍了一种基于均方误差估计的新变步长LMS自适应滤波算法....