中间频率 intermediate frequency ; Center Frequency ; IF ; median frequency

电视中间频率 Intermediate frequencies of television

中高频中间频率中频 intermediate frequency

中频、中间频率 IF

调频接收机中间频率 Intermediate frequency of FM receivers

中高频中间频率 intermediate frequency

中间频率调整 Alignment at Mid Frequencies

中间频率亮度非线性 [电子] mid-frequency luminance nonlinearity

中间频率替代法 intermediate frequency substitution

电视接收机用中间频率 Intermediate frequency for television receivers