representation function meaning in Chinese

表意功能
描述功能

Key phrases are phrase that have strong text representation function , can characterize text content such as subject and kind
关键短语是具有强文本表示功能的特征短语，在表示文本时，能将文本的内容特征（如主题类别）鲜明地表示出来。
The human - head portrait robot system h & f robot - ii with vision , facial expression recognition and representation functions was designed and developed
本文设计并研制了具有视觉、表情识别与再现功能的仿人头像机器人h & frobot - ii系统。