Terms containing speed frequency

Subject	English	French
el.	constant speed constant frequency generating scheme	vitesse et fréquence constantes
el.	constant speed constant frequency generating scheme	vitesse du rotor et fréquence constantes
tech., mech.eng.	speed frequency	fréquence de rotation
earth.sc.	variable speed constant frequency generating scheme	vitesse variable et fréquence constante
earth.sc.	variable speed constant frequency generating scheme	vitesse du rotor variable et fréquence constante