添加一台电视扫描线的影响，以你的普通照片！
高清晰度电视的基本目标是增加电视图像的扫描线数量，从而使图像清晰。
The basic goal of high-definition television is to increase the number of lines in a television picture, thus sharpening it.
高清晰度电视的基本目标是增加电视图像的扫描线数量，从而使图像清晰。
The basic goal of high-definition television is to increase the number of lines in a television picture, thus sharpening it.
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