“standard definition television，SDTV”的概念、定义、翻译、参考文献-科学参考

单词	standard definition television，SDTV
释义	standard definition television，SDTV Encyclopedia 工学【数字电视】释 standard definition television，SDTV标准清晰度电视图像分辨率为720×576或720×480（图像宽高比为4∶3）以及图像分辨率为960×576或960×480（图像宽高比为16∶9）的数字电视系统。
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