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黑色电平; 黑色信号电平; 暗电平 | |||
黑电平信号 | |||
黑电平 | |||
黑色电平 (电视图像信号电压的最低极限) | |||
黑色信号电平 | |||
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黑色信号电平的 | |||
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黑白、同步电平 |
black level : 31 phrases in 9 subjects |
Air defense | 3 |
Aviation | 1 |
General | 2 |
Household appliances | 2 |
Space | 2 |
Technology | 6 |
Telecommunications | 12 |
Television | 2 |
Video recording | 1 |