单词	育種
释义	育種cultivate certain species;
随便看	modulating control system of once-through boiler modulating current modulating electrode modulating equipment modulating frequency modulating function modulating grid modulating motor modulating oscillator modulating potentiimeter modulating potentiometer modulating pressure control modulating pulse modulating sequence modulating signal modulating tube modulating tube; modulation tube; modulator tube modulating valve modulating velocity modulating voltage modulating wave modulation modulational instability modulation; amplitude modulation-- amplitude (am)