head-up display是什么意思？

head-up display生词本英 [hed ʌp disˈplei]美 [hɛd ʌp dɪˈsple]平视显示器网 络平视显示机；平视显示；前车灯；抬头显示功能双语例句1. The merged image is typically presented on an opaque head - worn display. 合并后的影像通常会呈现在一个不透明的头戴显示器上.来自互联网2. The time delay problem in head - mounted display ( HMD ) based virtual reality systems is researched. 研究了基于头盔显示器 ( HMD ) 的虚拟现实系统中的时间延迟问题.来自互联网3. The system consists of a small head - mounted camera, a wearable computer, and a head - mounted display. 系统由一个微型摄像头 、 一部可穿戴的计算机和一个头戴式显示器组成.