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
- safety assessment of defects than the standard
- safety assessment of food toxicology
- safety assessment of pipeline project
- safety assessment of railway signaling
- safety assessment of seismic structure
- safety assessment organization
- safety assessment system of agricultural genetically modified organisms
- safety assessment test of SRM
- safety assurance system of construction project
- safety attitude
- safety audit
- safety audits and safety assessment
- safety awareness
- safety barrier
- safety behavior
- safety behavior supervision
- safety benefits rule
- safety certification
- safety certification authority
- safety certification system for derived lines of transgenic Bt cotton
- safety channel capacity
- safety chaos theory
- safety check
- safety check list
- safety check list method