A decrease or loss in a signal. Reduction of signal magnitude ( loss ) normally measured in decibels.

减小或 降低信号,信号减小或降低的多少通常用分贝来衡量.

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Signal magnitude and frequency response are functions of coil & spark plug characteristics and cylinder design.

信号的幅度和频率响应是职能线圈 及 火花塞的特点和缸的设计.

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