| 单词 | video frequency |
| 释义 | video frequency in British Englishnoun the frequency of a signal conveying the image and synchronizing pulses in a television broadcasting system. It lies in the range from about 50 hertz to 8 megahertz video frequency in American Englishnoun Television 1. transmission frequency of the television picture 2. any of the frequencies present in the output of a television camera, from almost 0 to over 4 megahertz 3. any frequency applied to the receiver's picture tube in order to display the picture Word origin [1935–40]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: Arts and Crafts Movement, Rhodesian ridgeback, aeroembolism, roadblock, unit trust |
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