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
- archival repository management
- archival restoration techniques
- archival retention
- archival retrieval efficiency
- archival science
- Archival Science Teaching Advisory Board under the Ministry Education
- archival secrecy
- archival shelves
- archival standardization work
- archival statistics annual report system
- archival subject indexing
- archival subject retrieval language
- archival technology arrangement
- archival transfer
- Archival Undertaking in Contemporary China
- archival utilization system
- archival value appraisal method
- archival-writing restoration technology
- Archivaria
- Archive Buildings and Equipment
- archive compiling and research
- archive documents of August 1 Nanchang Uprising
- archive file directory
- archive group
- archive management system of aviation industry