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
- agricultural virtual water trade
- agricultural visualization
- agricultural warehouse
- agricultural waste
- agricultural waste pollution
- agricultural wastes
- agricultural waste treatments
- agricultural wastewater
- Agricultural Water Management
- agricultural water pollution
- agricultural water price
- agricultural water productivity
- agricultural water resources
- agricultural water use
- agricultural weather forecast
- agricultural wind energy resources
- agricultural wireless sensor network
- agricultural worker
- agricultural working time
- agricultural zone
- Agriculture and industrialization
- agriculture as the foundation of the national economy
- agriculture census
- agriculture commune
- agriculture company supply chain management