理学 数字电视 释 high definition television; HDTV 高清电视 一种新的电视业务。采用数字信号传输，拥有极佳的视频、音频效果，其宽高比为16∶9，已有3种显示分辨率格式：720P（1280×720，逐行）、1080i（1920×1080，隔行）和1080P（1920×1080，逐行），帧率达60fps，支持杜比5.1声道多路环绕立体声。HDTV是high definition television的英文缩写，其中文意思是“高清晰度电视”，源于数字电视（digital television，DTV）技术，采用数字信号，拥有最佳的视频、音频效果。
计算机应用 多媒体 释文 high definition television, HDTV 高清电视
- spacecraft recovery system
- spacecraft relative motion
- spacecraft returning technique
- spacecraft scale style movement
- spacecraft systems engineering
- spacecraft test
- spacecraft thrust vector control
- space cueing task
- space curve
- space curve of order n
- spaced antennas
- spaced array
- space debris
- space decompression sickness
- space defence satellite
- space density
- space density profile
- space diagonal
- space dimensionality
- space disease spectrum
- space distance
- space distribution
- space diversity and combining
- space division by planes
- space division by spheres