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Pronunciation varies by accent · adjective
(electrical engineering) Able to operate on two different electrical frequencies..
Trials with three experimental dual-frequency mixed-traffic locomotives intended for use on the Saar's 15kV 16⅔-cycle (German) and 25kV 50-cycle (French) lines have proved so successful that the German Federal Railway is contemplating the construction of a fleet of 20 to 25 similar machines.
Use dual-frequency when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Dual-frequency means (electrical engineering) Able to operate on two different electrical frequencies..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Trials with three experimental dual-frequency mixed-traffic locomotives intended for use on the Saar's 15kV 16⅔-cycle (German) and 25kV 50-cycle (French) lines have proved so successful that the German Federal Railway is contemplating the construction of a fleet of 20 to 25 similar machines.
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