便携式盒式调频调幅收录机
portable cassette type FM-AM recorder-receiver
调幅调频
amplitude modulationfrequency modulation
调幅－调频模型
Amplitude Modulation and Frequency Modulation mode
Amplitude Modulation and Frequency Modulation model
调频调幅变换器
frequency modulationamplitude modulation converter
独立调幅调频声
Tones independently modulated in amplitude and fre
山力牌调幅-调频二波段收音机
Sanly AM-FM 2-band radio receiver
程控频率振幅调变
programmed frequency amplitude modulation
PFAM
调幅音频载波电报系统
AM voice frequency carrier telegraph systme
调频等幅波
FMCW Frequency Modulated Continuous Wave