If two FM signals are on the same frequency at the same time, there will still be a heterodyne or beat note( unless one is6 dB stronger than the other).是什么意思_If two FM signals are on the same frequency at the same time, there will still be a heterodyne or beat note( unless one is6 dB stronger than the other).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句