unidirectivity
n.单向性:指某种现象、过程或行为只朝一个方向发展的特性。
例句
But owing to the unidirectivity of time flowage, music must be replayed in want of reappreciation.
音乐具有时间性 ,由于时间流动的单向性 ,音乐要被再次欣赏就得进行复演 ;
One of the obvious characteristics of public communication is strong unidirectivity and weak feedback mechanism.
大众传播的显著特点之一是单向性强,反馈机制弱。