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
- soil moisture-monitoring instrument
- soil moisture monitoring instruments
- soil moisture monitoring station
- soil moisture movement for irrigated grassland
- soil moisture observation
- soil moisture regimes
- soil moisture retaining
- soil moisture tension
- soil monitoring
- soil morphological characteristics
- soil morphology
- soil nailing wall
- soil nailing wall support
- soil natural residual magnetism
- soil nematode
- soil nitrogen
- soil nitrogen cycle
- soil nourishing system
- soil nucleic acid extraction
- soil nutrient
- soil nutrient availability
- soil nutrient cycle
- soil nutrient grading
- soil nutrient sensing
- soil orders of Chinese Soil Taxonomy