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单词 test card
释义

test card

noun
Brit. a still television picture transmitted outside normal programme hours and designed for use in judging the quality and position of the image
〈英〉(电视)测试卡(非正常节目时间播放的静止电视图片, 用于判断图像的质量和位置)。
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更新时间:2025/8/7 9:00:26