English Dictionary

polyphase

adj

(electricity) Of, pertaining to, or involving multiple alternating currents that have the same frequency but differ in phase. / (physics) Of, pertaining to, or consisting of multiple phases of matter

The polyphase electric motor is widely used in industrial applications.

意味（1）

(electricity) Of, pertaining to, or involving multiple alternating currents that have the same frequency but differ in phase.

In the past there had been several attempts to embody in locomotives some form of rotating machine to convert single-phase a.c. at supply frequency to polyphase a.c. at variable frequency, in order to achieve the necessary variable speed characteristic.

意味（2）

(physics) Of, pertaining to, or consisting of multiple phases of matter