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test-card英英字典_test-card剑桥英语解释_test-card柯林斯英文解释_2020年的事情英文词典
2020年的事情英文词典

test-card

T 开头单词

柯林斯词典

    test card (also test pattern)

  • 1. N a complex pattern used to test the characteristics of a television transmission system (电视图像)测试卡

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