multifrequency signalling system meaning in English
多频信号制
Related Words
- multifrequency
- multifrequency signaling
- multifrequency system
- multifrequency transmitter
- multifrequency nature
- multifrequency monitor
- multifrequency operation
- multifrequency exploration
- multifrequency transmission
- multifrequency dialing
- multifrequency signaling
- multifrequency signalling
- multifrequency sinusoid
- multifrequency sounder