Terms for subject Air defense containing Black

English	Chinese
black-and-white signal generator	黑白信号发生器
black compression	黑区信号压缩
black index pulse	黑色指标黑区标记脉冲
black level signal	黑色电平信号
black-out effect	熄灭效应
black-out level	熄灭电平
black-out pulse	熄灭脉冲
black-out signal	熄灭信号
blacker-than-black synchronizing signal	黑区同步信号
picture black	图像黑色信号
reference black level	基准黑色电平
white-to-black-amplitude range	白黑峰间幅值
white-to-black frequency swing	黑白频率差